166554616042164 has 48 divisors (see below), whose sum is σ = 444176169414656. Its totient is φ = 47583762444000.

The previous prime is 166554616042151. The next prime is 166554616042181. The reversal of 166554616042164 is 461240616455661.

166554616042164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66910252 + ... + 69354819.

Almost surely, 2^{166554616042164} is an apocalyptic number.

166554616042164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166554616042164 is an abundant number, since it is smaller than the sum of its proper divisors (277621553372492).

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

166554616042164 is a wasteful number, since it uses less digits than its factorization.

166554616042164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136279636 (or 136279634 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 57.

The spelling of 166554616042164 in words is "one hundred sixty-six trillion, five hundred fifty-four billion, six hundred sixteen million, forty-two thousand, one hundred sixty-four".