117666186330 has 256 divisors, whose sum is σ = 368573939712. Its totient is φ = 23327136000.

The previous prime is 117666186293. The next prime is 117666186343. The reversal of 117666186330 is 33681666711.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 117666186330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5072739 + ... + 5095881.

It is an arithmetic number, because the mean of its divisors is an integer number (1439741952).

Almost surely, 2^117666186330 is an apocalyptic number.

117666186330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117666186330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184286969856).

117666186330 is an abundant number, since it is smaller than the sum of its proper divisors (250907753382).

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

117666186330 is a wasteful number, since it uses less digits than its factorization.

117666186330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23273.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 117666186330 in words is "one hundred seventeen billion, six hundred sixty-six million, one hundred eighty-six thousand, three hundred thirty".