117665230563617 has 32 divisors (see below), whose sum is σ = 140680569156480. Its totient is φ = 97148444216320.

The previous prime is 117665230563581. The next prime is 117665230563631. The reversal of 117665230563617 is 716365032566711.

It is a cyclic number.

It is not a de Polignac number, because 117665230563617 - 2⁶ = 117665230563553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117665230563697) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3137978 + ... + 15658140.

It is an arithmetic number, because the mean of its divisors is an integer number (4396267786140).

Almost surely, 2^{117665230563617} is an apocalyptic number.

117665230563617 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

117665230563617 is a deficient number, since it is larger than the sum of its proper divisors (23015338592863).

117665230563617 is a wasteful number, since it uses less digits than its factorization.

117665230563617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12521953.

The product of its (nonzero) digits is 28576800, while the sum is 59.

The spelling of 117665230563617 in words is "one hundred seventeen trillion, six hundred sixty-five billion, two hundred thirty million, five hundred sixty-three thousand, six hundred seventeen".