116661774516 has 24 divisors (see below), whose sum is σ = 311098065600. Its totient is φ = 33331935552.

The previous prime is 116661774497. The next prime is 116661774547. The reversal of 116661774516 is 615477166611.

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, 694415241 + ... + 694415408.

It is an arithmetic number, because the mean of its divisors is an integer number (12962419400).

Almost surely, 2^116661774516 is an apocalyptic number.

It is an amenable number.

116661774516 is an abundant number, since it is smaller than the sum of its proper divisors (194436291084).

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

116661774516 is a wasteful number, since it uses less digits than its factorization.

116661774516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388830663 (or 1388830661 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 51.

The spelling of 116661774516 in words is "one hundred sixteen billion, six hundred sixty-one million, seven hundred seventy-four thousand, five hundred sixteen".