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165330433 is a prime number
BaseRepresentation
bin10011101101010…
…11111000000001
3102112002122201101
421312223320001
5314311033213
624223334401
74045166632
oct1166537001
9375078641
10165330433
1185363224
1247451401
1328338a78
1417d59889
15e7abbdd
hex9dabe01

165330433 has 2 divisors, whose sum is σ = 165330434. Its totient is φ = 165330432.

The previous prime is 165330427. The next prime is 165330461. The reversal of 165330433 is 334033561.

165330433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (165330461) can be obtained adding 165330433 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146119744 + 19210689 = 12088^2 + 4383^2 .

It is a cyclic number.

It is not a de Polignac number, because 165330433 - 29 = 165329921 is a prime.

It is not a weakly prime, because it can be changed into another prime (165330133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82665216 + 82665217.

It is an arithmetic number, because the mean of its divisors is an integer number (82665217).

Almost surely, 2165330433 is an apocalyptic number.

It is an amenable number.

165330433 is a deficient number, since it is larger than the sum of its proper divisors (1).

165330433 is an equidigital number, since it uses as much as digits as its factorization.

165330433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 165330433 is about 12858.0882327040. The cubic root of 165330433 is about 548.8465446577.

Adding to 165330433 its reverse (334033561), we get a palindrome (499363994).

The spelling of 165330433 in words is "one hundred sixty-five million, three hundred thirty thousand, four hundred thirty-three".