164293433 has 4 divisors (see below), whose sum is σ = 164538228. Its totient is φ = 164048640.

The previous prime is 164293421. The next prime is 164293453. The reversal of 164293433 is 334392461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86359849 + 77933584 = 9293^2 + 8828^2 .

It is a cyclic number.

It is not a de Polignac number, because 164293433 - 2⁶ = 164293369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164293393 and 164293402.

It is not an unprimeable number, because it can be changed into a prime (164293453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121388 + ... + 122733.

It is an arithmetic number, because the mean of its divisors is an integer number (41134557).

Almost surely, 2^164293433 is an apocalyptic number.

It is an amenable number.

164293433 is a deficient number, since it is larger than the sum of its proper divisors (244795).

164293433 is an equidigital number, since it uses as much as digits as its factorization.

164293433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244794.

The product of its digits is 46656, while the sum is 35.

The square root of 164293433 is about 12817.6999886875. The cubic root of 164293433 is about 547.6966293316.

The spelling of 164293433 in words is "one hundred sixty-four million, two hundred ninety-three thousand, four hundred thirty-three".