111216513166 has 16 divisors (see below), whose sum is σ = 182050691760. Its totient is φ = 50536284480.

The previous prime is 111216513047. The next prime is 111216513193. The reversal of 111216513166 is 661315612111.

It is a super-2 number, since 2×111216513166² (a number of 23 digits) contains 22 as substring.

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, 765471 + ... + 899098.

It is an arithmetic number, because the mean of its divisors is an integer number (11378168235).

Almost surely, 2^111216513166 is an apocalyptic number.

111216513166 is a deficient number, since it is larger than the sum of its proper divisors (70834178594).

111216513166 is a wasteful number, since it uses less digits than its factorization.

111216513166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667619.

The product of its digits is 6480, while the sum is 34.

The spelling of 111216513166 in words is "one hundred eleven billion, two hundred sixteen million, five hundred thirteen thousand, one hundred sixty-six".