165250432 has 16 divisors (see below), whose sum is σ = 329210100. Its totient is φ = 82625152.

The previous prime is 165250363. The next prime is 165250447. The reversal of 165250432 is 234052561.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 165250432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645382 + ... + 645637.

Almost surely, 2^165250432 is an apocalyptic number.

It is an amenable number.

165250432 is a deficient number, since it is larger than the sum of its proper divisors (163959668).

165250432 is an equidigital number, since it uses as much as digits as its factorization.

165250432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291033 (or 1291021 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 165250432 is about 12854.9769350240. The cubic root of 165250432 is about 548.7580040793.

The spelling of 165250432 in words is "one hundred sixty-five million, two hundred fifty thousand, four hundred thirty-two".