166484888980 has 24 divisors (see below), whose sum is σ = 349640913888. Its totient is φ = 66589641888.

The previous prime is 166484888951. The next prime is 166484888993. The reversal of 166484888980 is 89888484661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56487 + ... + 579793.

It is an arithmetic number, because the mean of its divisors is an integer number (14568371412).

Almost surely, 2^166484888980 is an apocalyptic number.

166484888980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166484888980 is an abundant number, since it is smaller than the sum of its proper divisors (183156024908).

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

166484888980 is a wasteful number, since it uses less digits than its factorization.

166484888980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539223 (or 539221 counting only the distinct ones).

The product of its (nonzero) digits is 169869312, while the sum is 70.

The spelling of 166484888980 in words is "one hundred sixty-six billion, four hundred eighty-four million, eight hundred eighty-eight thousand, nine hundred eighty".