166065000500 has 96 divisors (see below), whose sum is σ = 427869431808. Its totient is φ = 55099872000.

The previous prime is 166065000461. The next prime is 166065000511. The reversal of 166065000500 is 5000560661.

It is a congruent number.

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, 656777 + ... + 873776.

It is an arithmetic number, because the mean of its divisors is an integer number (4456973248).

Almost surely, 2^166065000500 is an apocalyptic number.

166065000500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166065000500 is an abundant number, since it is smaller than the sum of its proper divisors (261804431308).

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

166065000500 is a wasteful number, since it uses less digits than its factorization.

166065000500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530610 (or 1530598 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 166065000500 in words is "one hundred sixty-six billion, sixty-five million, five hundred", and thus it is an aban number.