116172261288 has 40 divisors (see below), whose sum is σ = 325389900330. Its totient is φ = 38724086880.

The previous prime is 116172261281. The next prime is 116172261347. The reversal of 116172261288 is 882162271611.

116172261288 is a `hidden beast` number, since 1 + 1 + 6 + 1 + 7 + 22 + 612 + 8 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 115258892004 + 913369284 = 339498^2 + 30222^2 .

It is not an unprimeable number, because it can be changed into a prime (116172261281) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 89638443 + ... + 89639738.

Almost surely, 2^116172261288 is an apocalyptic number.

116172261288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

116172261288 is an abundant number, since it is smaller than the sum of its proper divisors (209217639042).

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

116172261288 is a wasteful number, since it uses less digits than its factorization.

116172261288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179278199 (or 179278186 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The spelling of 116172261288 in words is "one hundred sixteen billion, one hundred seventy-two million, two hundred sixty-one thousand, two hundred eighty-eight".