16166560216 has 16 divisors (see below), whose sum is σ = 30652889400. Its totient is φ = 7992456384.

The previous prime is 16166560211. The next prime is 16166560219. The reversal of 16166560216 is 61206566161.

It is a super-2 number, since 2×16166560216² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16166560211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11352210 + ... + 11353633.

Almost surely, 2^16166560216 is an apocalyptic number.

It is an amenable number.

16166560216 is a deficient number, since it is larger than the sum of its proper divisors (14486329184).

16166560216 is a wasteful number, since it uses less digits than its factorization.

16166560216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22705938 (or 22705934 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 16166560216 in words is "sixteen billion, one hundred sixty-six million, five hundred sixty thousand, two hundred sixteen".