117172660680 has 96 divisors (see below), whose sum is σ = 380976148800. Its totient is φ = 31232504448.

The previous prime is 117172660669. The next prime is 117172660681. The reversal of 117172660680 is 86066271711.

117172660680 is a `hidden beast` number, since 1 + 1 + 7 + 17 + 26 + 606 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (117172660681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 775581 + ... + 914259.

It is an arithmetic number, because the mean of its divisors is an integer number (3968501550).

Almost surely, 2^117172660680 is an apocalyptic number.

117172660680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117172660680 is an abundant number, since it is smaller than the sum of its proper divisors (263803488120).

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

117172660680 is a wasteful number, since it uses less digits than its factorization.

117172660680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141043 (or 141036 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 117172660680 in words is "one hundred seventeen billion, one hundred seventy-two million, six hundred sixty thousand, six hundred eighty".