116857815393 has 16 divisors (see below), whose sum is σ = 170864934912. Its totient is φ = 70452114000.

The previous prime is 116857815383. The next prime is 116857815407. The reversal of 116857815393 is 393518758611.

It is a happy number.

It is not a de Polignac number, because 116857815393 - 2⁴ = 116857815377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116857815323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9263713 + ... + 9276318.

It is an arithmetic number, because the mean of its divisors is an integer number (10679058432).

Almost surely, 2^116857815393 is an apocalyptic number.

It is an amenable number.

116857815393 is a deficient number, since it is larger than the sum of its proper divisors (54007119519).

116857815393 is a wasteful number, since it uses less digits than its factorization.

116857815393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18540236.

The product of its digits is 5443200, while the sum is 57.

The spelling of 116857815393 in words is "one hundred sixteen billion, eight hundred fifty-seven million, eight hundred fifteen thousand, three hundred ninety-three".