165535315 has 16 divisors (see below), whose sum is σ = 228107520. Its totient is φ = 114052320.

The previous prime is 165535303. The next prime is 165535339. The reversal of 165535315 is 513535561.

It is a de Polignac number, because none of the positive numbers 2^k-165535315 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, 78159 + ... + 80248.

It is an arithmetic number, because the mean of its divisors is an integer number (14256720).

Almost surely, 2^165535315 is an apocalyptic number.

165535315 is a deficient number, since it is larger than the sum of its proper divisors (62572205).

165535315 is a wasteful number, since it uses less digits than its factorization.

165535315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158442.

The product of its digits is 33750, while the sum is 34.

The square root of 165535315 is about 12866.0528135089. The cubic root of 165535315 is about 549.0731662942.

The spelling of 165535315 in words is "one hundred sixty-five million, five hundred thirty-five thousand, three hundred fifteen".