116657888643 has 6 divisors (see below), whose sum is σ = 168505839164. Its totient is φ = 77771925756.

The previous prime is 116657888629. The next prime is 116657888651. The reversal of 116657888643 is 346888756611.

116657888643 is a `hidden beast` number, since 1 + 16 + 6 + 578 + 8 + 8 + 6 + 43 = 666.

It is not a de Polignac number, because 116657888643 - 2²¹ = 116655791491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116657888603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6480993805 + ... + 6480993822.

Almost surely, 2^116657888643 is an apocalyptic number.

116657888643 is a deficient number, since it is larger than the sum of its proper divisors (51847950521).

116657888643 is a wasteful number, since it uses less digits than its factorization.

116657888643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12961987633 (or 12961987630 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The spelling of 116657888643 in words is "one hundred sixteen billion, six hundred fifty-seven million, eight hundred eighty-eight thousand, six hundred forty-three".