111616156664 has 16 divisors (see below), whose sum is σ = 210807889200. Its totient is φ = 55400719552.

The previous prime is 111616156651. The next prime is 111616156703. The reversal of 111616156664 is 466651616111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50918684 + ... + 50920875.

It is an arithmetic number, because the mean of its divisors is an integer number (13175493075).

Almost surely, 2^111616156664 is an apocalyptic number.

It is an amenable number.

111616156664 is a deficient number, since it is larger than the sum of its proper divisors (99191732536).

111616156664 is a wasteful number, since it uses less digits than its factorization.

111616156664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101839702 (or 101839698 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The spelling of 111616156664 in words is "one hundred eleven billion, six hundred sixteen million, one hundred fifty-six thousand, six hundred sixty-four".