1662322133 has 2 divisors, whose sum is σ = 1662322134. Its totient is φ = 1662322132.

The previous prime is 1662322121. The next prime is 1662322139. The reversal of 1662322133 is 3312232661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1430125489 + 232196644 = 37817^2 + 15238^2 .

It is an emirp because it is prime and its reverse (3312232661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1662322133 - 2⁶ = 1662322069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1662322096 and 1662322105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1662322139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831161066 + 831161067.

It is an arithmetic number, because the mean of its divisors is an integer number (831161067).

Almost surely, 2^1662322133 is an apocalyptic number.

It is an amenable number.

1662322133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1662322133 is an equidigital number, since it uses as much as digits as its factorization.

1662322133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 29.

The square root of 1662322133 is about 40771.5848723103. The cubic root of 1662322133 is about 1184.6000022006.

Adding to 1662322133 its reverse (3312232661), we get a palindrome (4974554794).

The spelling of 1662322133 in words is "one billion, six hundred sixty-two million, three hundred twenty-two thousand, one hundred thirty-three".