165164433 has 16 divisors (see below), whose sum is σ = 251919360. Its totient is φ = 94289616.

The previous prime is 165164429. The next prime is 165164443. The reversal of 165164433 is 334461561.

It is not a de Polignac number, because 165164433 - 2² = 165164429 is a prime.

It is a super-2 number, since 2×165164433² = 54558579856422978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165164394 and 165164403.

It is not an unprimeable number, because it can be changed into a prime (165164443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23316 + ... + 29562.

It is an arithmetic number, because the mean of its divisors is an integer number (15744960).

Almost surely, 2^165164433 is an apocalyptic number.

It is an amenable number.

165164433 is a deficient number, since it is larger than the sum of its proper divisors (86754927).

165164433 is a wasteful number, since it uses less digits than its factorization.

165164433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7516.

The product of its digits is 25920, while the sum is 33.

The square root of 165164433 is about 12851.6315306657. The cubic root of 165164433 is about 548.6627933780.

The spelling of 165164433 in words is "one hundred sixty-five million, one hundred sixty-four thousand, four hundred thirty-three".