117666926910390 has 256 divisors, whose sum is σ = 357363833831424. Its totient is φ = 24373772121600.

The previous prime is 117666926910329. The next prime is 117666926910431. The reversal of 117666926910390 is 93019629666711.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16175584 + ... + 22293123.

It is an arithmetic number, because the mean of its divisors is an integer number (1395952475904).

Almost surely, 2^{117666926910390} is an apocalyptic number.

117666926910390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117666926910390 is an abundant number, since it is smaller than the sum of its proper divisors (239696906921034).

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

117666926910390 is a wasteful number, since it uses less digits than its factorization.

117666926910390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38468795.

The product of its (nonzero) digits is 39680928, while the sum is 66.

The spelling of 117666926910390 in words is "one hundred seventeen trillion, six hundred sixty-six billion, nine hundred twenty-six million, nine hundred ten thousand, three hundred ninety".