117604536657 has 24 divisors (see below), whose sum is σ = 167220974496. Its totient is φ = 73503817728.

The previous prime is 117604536619. The next prime is 117604536671. The reversal of 117604536657 is 756635406711.

It is not a de Polignac number, because 117604536657 - 2⁷ = 117604536529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (117604536697) 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, 41083 + ... + 486720.

It is an arithmetic number, because the mean of its divisors is an integer number (6967540604).

Almost surely, 2^117604536657 is an apocalyptic number.

117604536657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

117604536657 is a deficient number, since it is larger than the sum of its proper divisors (49616437839).

117604536657 is a wasteful number, since it uses less digits than its factorization.

117604536657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528097 (or 528080 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 117604536657 in words is "one hundred seventeen billion, six hundred four million, five hundred thirty-six thousand, six hundred fifty-seven".