165072315 has 16 divisors (see below), whose sum is σ = 264481056. Its totient is φ = 87916800.

The previous prime is 165072287. The next prime is 165072337. The reversal of 165072315 is 513270561.

It is not a de Polignac number, because 165072315 - 2¹⁷ = 164941243 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, 4185 + ... + 18645.

It is an arithmetic number, because the mean of its divisors is an integer number (16530066).

Almost surely, 2^165072315 is an apocalyptic number.

165072315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165072315 is a deficient number, since it is larger than the sum of its proper divisors (99408741).

165072315 is a wasteful number, since it uses less digits than its factorization.

165072315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15230.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 165072315 is about 12848.0471278712. The cubic root of 165072315 is about 548.5607715777.

The spelling of 165072315 in words is "one hundred sixty-five million, seventy-two thousand, three hundred fifteen".