16113631689 has 12 divisors (see below), whose sum is σ = 23603067072. Its totient is φ = 10591119000.

The previous prime is 16113631643. The next prime is 16113631693. The reversal of 16113631689 is 98613631161.

16113631689 is a `hidden beast` number, since 1 + 6 + 1 + 1 + 3 + 631 + 6 + 8 + 9 = 666.

It is not a de Polignac number, because 16113631689 - 2¹¹ = 16113629641 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16113631619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12607837 + ... + 12609114.

It is an arithmetic number, because the mean of its divisors is an integer number (1966922256).

Almost surely, 2^16113631689 is an apocalyptic number.

It is an amenable number.

16113631689 is a deficient number, since it is larger than the sum of its proper divisors (7489435383).

16113631689 is a wasteful number, since it uses less digits than its factorization.

16113631689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25217028 (or 25217025 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The spelling of 16113631689 in words is "sixteen billion, one hundred thirteen million, six hundred thirty-one thousand, six hundred eighty-nine".