166715008140 has 96 divisors (see below), whose sum is σ = 469867507200. Its totient is φ = 44166076416.

The previous prime is 166715008139. The next prime is 166715008153. The reversal of 166715008140 is 41800517661.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8025247 + ... + 8045993.

It is an arithmetic number, because the mean of its divisors is an integer number (4894453200).

Almost surely, 2^166715008140 is an apocalyptic number.

166715008140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166715008140 is an abundant number, since it is smaller than the sum of its proper divisors (303152499060).

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

166715008140 is a wasteful number, since it uses less digits than its factorization.

166715008140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21631 (or 21629 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 166715008140 in words is "one hundred sixty-six billion, seven hundred fifteen million, eight thousand, one hundred forty".