165072910 has 32 divisors (see below), whose sum is σ = 306076320. Its totient is φ = 64052352.

The previous prime is 165072881. The next prime is 165072953. The reversal of 165072910 is 19270561.

It is a congruent number.

It is an unprimeable number.

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, 243492 + ... + 244168.

It is an arithmetic number, because the mean of its divisors is an integer number (9564885).

Almost surely, 2^165072910 is an apocalyptic number.

165072910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165072910 is a deficient number, since it is larger than the sum of its proper divisors (141003410).

165072910 is a wasteful number, since it uses less digits than its factorization.

165072910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 165072910 is about 12848.0702831203. The cubic root of 165072910 is about 548.5614306692.

The spelling of 165072910 in words is "one hundred sixty-five million, seventy-two thousand, nine hundred ten".