159966515 has 16 divisors (see below), whose sum is σ = 204563232. Its totient is φ = 119668224.

The previous prime is 159966497. The next prime is 159966551. The reversal of 159966515 is 515669951.

It is a cyclic number.

It is not a de Polignac number, because 159966515 - 2⁸ = 159966259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 159966515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7352 + ... + 19338.

It is an arithmetic number, because the mean of its divisors is an integer number (12785202).

Almost surely, 2^159966515 is an apocalyptic number.

159966515 is a deficient number, since it is larger than the sum of its proper divisors (44596717).

159966515 is a wasteful number, since it uses less digits than its factorization.

159966515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12166.

The product of its digits is 364500, while the sum is 47.

The square root of 159966515 is about 12647.7869605714. The cubic root of 159966515 is about 542.8456488959.

The spelling of 159966515 in words is "one hundred fifty-nine million, nine hundred sixty-six thousand, five hundred fifteen".