166098479077552 has 80 divisors (see below), whose sum is σ = 388028716556800. Its totient is φ = 67284861442560.

The previous prime is 166098479077529. The next prime is 166098479077561. The reversal of 166098479077552 is 255770974890661.

It is a Harshad number since it is a multiple of its sum of digits (76).

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, 87965349 + ... + 89833732.

It is an arithmetic number, because the mean of its divisors is an integer number (4850358956960).

Almost surely, 2^{166098479077552} is an apocalyptic number.

It is an amenable number.

166098479077552 is an abundant number, since it is smaller than the sum of its proper divisors (221930237479248).

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

166098479077552 is a wasteful number, since it uses less digits than its factorization.

166098479077552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177799554 (or 177799548 counting only the distinct ones).

The product of its (nonzero) digits is 1600300800, while the sum is 76.

The spelling of 166098479077552 in words is "one hundred sixty-six trillion, ninety-eight billion, four hundred seventy-nine million, seventy-seven thousand, five hundred fifty-two".