166200117930 has 96 divisors (see below), whose sum is σ = 538747417728. Its totient is φ = 34535088000.

The previous prime is 166200117883. The next prime is 166200117943. The reversal of 166200117930 is 39711002661.

166200117930 is a `hidden beast` number, since 16 + 620 + 0 + 1 + 17 + 9 + 3 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11984421 + ... + 11998280.

It is an arithmetic number, because the mean of its divisors is an integer number (5611952268).

Almost surely, 2^166200117930 is an apocalyptic number.

166200117930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166200117930 is an abundant number, since it is smaller than the sum of its proper divisors (372547299798).

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

166200117930 is a wasteful number, since it uses less digits than its factorization.

166200117930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23982732 (or 23982729 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The spelling of 166200117930 in words is "one hundred sixty-six billion, two hundred million, one hundred seventeen thousand, nine hundred thirty".