16615001610056 has 8 divisors (see below), whose sum is σ = 31153128018870. Its totient is φ = 8307500805024.

The previous prime is 16615001610047. The next prime is 16615001610089. The reversal of 16615001610056 is 65001610051661.

It can be written as a sum of positive squares in only one way, i.e., 14995404312100 + 1619597297956 = 3872390^2 + 1272634^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1038437600621 + ... + 1038437600636.

Almost surely, 2^{16615001610056} is an apocalyptic number.

It is an amenable number.

16615001610056 is a deficient number, since it is larger than the sum of its proper divisors (14538126408814).

16615001610056 is a wasteful number, since it uses less digits than its factorization.

16615001610056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076875201263 (or 2076875201259 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 16615001610056 in words is "sixteen trillion, six hundred fifteen billion, one million, six hundred ten thousand, fifty-six".