165263315 has 16 divisors (see below), whose sum is σ = 234463680. Its totient is φ = 109415040.

The previous prime is 165263297. The next prime is 165263321. The reversal of 165263315 is 513362561.

It is not a de Polignac number, because 165263315 - 2¹² = 165259219 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80396 + ... + 82425.

It is an arithmetic number, because the mean of its divisors is an integer number (14653980).

Almost surely, 2^165263315 is an apocalyptic number.

165263315 is a deficient number, since it is larger than the sum of its proper divisors (69200365).

165263315 is a wasteful number, since it uses less digits than its factorization.

165263315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162862.

The product of its digits is 16200, while the sum is 32.

The square root of 165263315 is about 12855.4780152276. The cubic root of 165263315 is about 548.7722641845.

The spelling of 165263315 in words is "one hundred sixty-five million, two hundred sixty-three thousand, three hundred fifteen".