116456821731 has 6 divisors (see below), whose sum is σ = 168215409180. Its totient is φ = 77637881148.

The previous prime is 116456821721. The next prime is 116456821751. The reversal of 116456821731 is 137128654611.

116456821731 is a `hidden beast` number, since 1 + 1 + 64 + 568 + 21 + 7 + 3 + 1 = 666.

It is not a de Polignac number, because 116456821731 - 2⁶ = 116456821667 is a prime.

It is a super-2 number, since 2×116456821731² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116456821721) 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, 6469823421 + ... + 6469823438.

It is an arithmetic number, because the mean of its divisors is an integer number (28035901530).

Almost surely, 2^116456821731 is an apocalyptic number.

116456821731 is a deficient number, since it is larger than the sum of its proper divisors (51758587449).

116456821731 is a wasteful number, since it uses less digits than its factorization.

116456821731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12939646865 (or 12939646862 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The spelling of 116456821731 in words is "one hundred sixteen billion, four hundred fifty-six million, eight hundred twenty-one thousand, seven hundred thirty-one".