165628924 has 6 divisors (see below), whose sum is σ = 289850624. Its totient is φ = 82814460.

The previous prime is 165628921. The next prime is 165628927. The reversal of 165628924 is 429826561.

It is an interprime number because it is at equal distance from previous prime (165628921) and next prime (165628927).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165628921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20703612 + ... + 20703619.

Almost surely, 2^165628924 is an apocalyptic number.

It is an amenable number.

165628924 is a deficient number, since it is larger than the sum of its proper divisors (124221700).

165628924 is a wasteful number, since it uses less digits than its factorization.

165628924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41407235 (or 41407233 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 165628924 is about 12869.6901283597. The cubic root of 165628924 is about 549.1766457333.

The spelling of 165628924 in words is "one hundred sixty-five million, six hundred twenty-eight thousand, nine hundred twenty-four".