16155564716 has 6 divisors (see below), whose sum is σ = 28272238260. Its totient is φ = 8077782356.

The previous prime is 16155564679. The next prime is 16155564743. The reversal of 16155564716 is 61746555161.

It is a super-2 number, since 2×16155564716² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2019445586 + ... + 2019445593.

It is an arithmetic number, because the mean of its divisors is an integer number (4712039710).

Almost surely, 2^16155564716 is an apocalyptic number.

It is an amenable number.

16155564716 is a deficient number, since it is larger than the sum of its proper divisors (12116673544).

16155564716 is a wasteful number, since it uses less digits than its factorization.

16155564716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038891183 (or 4038891181 counting only the distinct ones).

The product of its digits is 756000, while the sum is 47.

The spelling of 16155564716 in words is "sixteen billion, one hundred fifty-five million, five hundred sixty-four thousand, seven hundred sixteen".