165150256 has 20 divisors (see below), whose sum is σ = 321231672. Its totient is φ = 82251776.

The previous prime is 165150253. The next prime is 165150283. The reversal of 165150256 is 652051561.

It is not an unprimeable number, because it can be changed into a prime (165150253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15970 + ... + 24193.

Almost surely, 2^165150256 is an apocalyptic number.

165150256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165150256 is a deficient number, since it is larger than the sum of its proper divisors (156081416).

165150256 is a wasteful number, since it uses less digits than its factorization.

165150256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40428 (or 40422 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 165150256 is about 12851.0799546186. The cubic root of 165150256 is about 548.6470946491.

The spelling of 165150256 in words is "one hundred sixty-five million, one hundred fifty thousand, two hundred fifty-six".