16556060674 has 16 divisors (see below), whose sum is σ = 26302232088. Its totient is φ = 7788920832.

The previous prime is 16556060669. The next prime is 16556060683. The reversal of 16556060674 is 47606065561.

It can be written as a sum of positive squares in 4 ways, for example, as 14267108025 + 2288952649 = 119445^2 + 47843^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59842 + ... + 191554.

Almost surely, 2^16556060674 is an apocalyptic number.

16556060674 is a deficient number, since it is larger than the sum of its proper divisors (9746171414).

16556060674 is a wasteful number, since it uses less digits than its factorization.

16556060674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135429.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 16556060674 in words is "sixteen billion, five hundred fifty-six million, sixty thousand, six hundred seventy-four".