117941661800 has 24 divisors (see below), whose sum is σ = 274214364150. Its totient is φ = 47176664640.

The previous prime is 117941661781. The next prime is 117941661809. The reversal of 117941661800 is 8166149711.

It can be written as a sum of positive squares in 3 ways, for example, as 49231621924 + 68710039876 = 221882^2 + 262126^2 .

It is not an unprimeable number, because it can be changed into a prime (117941661809) 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, 294853955 + ... + 294854354.

Almost surely, 2^117941661800 is an apocalyptic number.

117941661800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117941661800 is an abundant number, since it is smaller than the sum of its proper divisors (156272702350).

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

117941661800 is a wasteful number, since it uses less digits than its factorization.

117941661800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589708325 (or 589708316 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 117941661800 in words is "one hundred seventeen billion, nine hundred forty-one million, six hundred sixty-one thousand, eight hundred".