16516611156 has 24 divisors (see below), whose sum is σ = 40567115680. Its totient is φ = 5215771872.

The previous prime is 16516611149. The next prime is 16516611161. The reversal of 16516611156 is 65111661561.

It is a congruent number.

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, 36220411 + ... + 36220866.

Almost surely, 2^16516611156 is an apocalyptic number.

It is an amenable number.

16516611156 is an abundant number, since it is smaller than the sum of its proper divisors (24050504524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16516611156 is a wasteful number, since it uses less digits than its factorization.

16516611156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72441303 (or 72441301 counting only the distinct ones).

The product of its digits is 32400, while the sum is 39.

The spelling of 16516611156 in words is "sixteen billion, five hundred sixteen million, six hundred eleven thousand, one hundred fifty-six".