165144063 has 12 divisors (see below), whose sum is σ = 256142040. Its totient is φ = 94367952.

The previous prime is 165144043. The next prime is 165144073. The reversal of 165144063 is 360441561.

It is not a de Polignac number, because 165144063 - 2⁸ = 165143807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165144063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165144013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 561568 + ... + 561861.

It is an arithmetic number, because the mean of its divisors is an integer number (21345170).

Almost surely, 2^165144063 is an apocalyptic number.

165144063 is a deficient number, since it is larger than the sum of its proper divisors (90997977).

165144063 is a wasteful number, since it uses less digits than its factorization.

165144063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123446 (or 1123439 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 165144063 is about 12850.8389998474. The cubic root of 165144063 is about 548.6402366237.

The spelling of 165144063 in words is "one hundred sixty-five million, one hundred forty-four thousand, sixty-three".