165455372 has 12 divisors (see below), whose sum is σ = 292414416. Its totient is φ = 81908400.

The previous prime is 165455371. The next prime is 165455387. The reversal of 165455372 is 273554561.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (165455371) 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 3 ways as a sum of consecutive naturals, for example, 204368 + ... + 205175.

It is an arithmetic number, because the mean of its divisors is an integer number (24367868).

Almost surely, 2^165455372 is an apocalyptic number.

It is an amenable number.

165455372 is a deficient number, since it is larger than the sum of its proper divisors (126959044).

165455372 is a wasteful number, since it uses less digits than its factorization.

165455372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409648 (or 409646 counting only the distinct ones).

The product of its digits is 126000, while the sum is 38.

The square root of 165455372 is about 12862.9456968456. The cubic root of 165455372 is about 548.9847629544.

The spelling of 165455372 in words is "one hundred sixty-five million, four hundred fifty-five thousand, three hundred seventy-two".