165016515 has 16 divisors (see below), whose sum is σ = 265195008. Its totient is φ = 87619296.

The previous prime is 165016493. The next prime is 165016531. The reversal of 165016515 is 515610561.

It is not a de Polignac number, because 165016515 - 2²⁷ = 30798787 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20827 + ... + 27636.

It is an arithmetic number, because the mean of its divisors is an integer number (16574688).

Almost surely, 2^165016515 is an apocalyptic number.

165016515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165016515 is a deficient number, since it is larger than the sum of its proper divisors (100178493).

165016515 is a wasteful number, since it uses less digits than its factorization.

165016515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48698.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 165016515 is about 12845.8754080833. The cubic root of 165016515 is about 548.4989539419.

The spelling of 165016515 in words is "one hundred sixty-five million, sixteen thousand, five hundred fifteen".