165008265 has 16 divisors (see below), whose sum is σ = 265543488. Its totient is φ = 87494336.

The previous prime is 165008237. The next prime is 165008269. The reversal of 165008265 is 562800561.

It is a cyclic number.

It is not a de Polignac number, because 165008265 - 2¹⁴ = 164991881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165008269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29199 + ... + 34388.

It is an arithmetic number, because the mean of its divisors is an integer number (16596468).

Almost surely, 2^165008265 is an apocalyptic number.

165008265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165008265 is a deficient number, since it is larger than the sum of its proper divisors (100535223).

165008265 is a wasteful number, since it uses less digits than its factorization.

165008265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63768.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 165008265 is about 12845.5542893252. The cubic root of 165008265 is about 548.4898130552.

The spelling of 165008265 in words is "one hundred sixty-five million, eight thousand, two hundred sixty-five".