166606600615100 has 18 divisors (see below), whose sum is σ = 361536323334984. Its totient is φ = 66642640246000.

The previous prime is 166606600615003. The next prime is 166606600615139. The reversal of 166606600615100 is 1516006606661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 833033002976 + ... + 833033003175.

It is an arithmetic number, because the mean of its divisors is an integer number (20085351296388).

Almost surely, 2^{166606600615100} is an apocalyptic number.

166606600615100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166606600615100 is an abundant number, since it is smaller than the sum of its proper divisors (194929722719884).

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

166606600615100 is a wasteful number, since it uses less digits than its factorization.

166606600615100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666066006165 (or 1666066006158 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 166606600615100 in words is "one hundred sixty-six trillion, six hundred six billion, six hundred million, six hundred fifteen thousand, one hundred".