102055121572166 has 32 divisors (see below), whose sum is σ = 176111878545408. Its totient is φ = 43447854189600.

The previous prime is 102055121572153. The next prime is 102055121572177. The reversal of 102055121572166 is 661275121550201.

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, 399128576 + ... + 399384188.

It is an arithmetic number, because the mean of its divisors is an integer number (5503496204544).

Almost surely, 2^{102055121572166} is an apocalyptic number.

102055121572166 is a deficient number, since it is larger than the sum of its proper divisors (74056756973242).

102055121572166 is a wasteful number, since it uses less digits than its factorization.

102055121572166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444636.

The product of its (nonzero) digits is 252000, while the sum is 44.

The spelling of 102055121572166 in words is "one hundred two trillion, fifty-five billion, one hundred twenty-one million, five hundred seventy-two thousand, one hundred sixty-six".