116395685640 has 128 divisors (see below), whose sum is σ = 417830716800. Its totient is φ = 28651242240.

The previous prime is 116395685621. The next prime is 116395685687. The reversal of 116395685640 is 46586593611.

116395685640 is a `hidden beast` number, since 1 + 1 + 6 + 39 + 568 + 5 + 6 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4131106 + ... + 4159185.

It is an arithmetic number, because the mean of its divisors is an integer number (3264302475).

Almost surely, 2^116395685640 is an apocalyptic number.

116395685640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116395685640 is an abundant number, since it is smaller than the sum of its proper divisors (301435031160).

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

116395685640 is a wasteful number, since it uses less digits than its factorization.

116395685640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8290324 (or 8290314 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 116395685640 in words is "one hundred sixteen billion, three hundred ninety-five million, six hundred eighty-five thousand, six hundred forty".