16113631688 has 64 divisors (see below), whose sum is σ = 38967177600. Its totient is φ = 6061547520.

The previous prime is 16113631643. The next prime is 16113631693. The reversal of 16113631688 is 88613631161.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433145 + ... + 468872.

It is an arithmetic number, because the mean of its divisors is an integer number (608862150).

Almost surely, 2^16113631688 is an apocalyptic number.

It is an amenable number.

16113631688 is an abundant number, since it is smaller than the sum of its proper divisors (22853545912).

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

16113631688 is a wasteful number, since it uses less digits than its factorization.

16113631688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902070 (or 902066 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The spelling of 16113631688 in words is "sixteen billion, one hundred thirteen million, six hundred thirty-one thousand, six hundred eighty-eight".