166796902080 has 672 divisors, whose sum is σ = 633366475200. Its totient is φ = 41302130688.

The previous prime is 166796902073. The next prime is 166796902117. The reversal of 166796902080 is 80209697661.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 165308616 + ... + 165309624.

Almost surely, 2^166796902080 is an apocalyptic number.

166796902080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166796902080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316683237600).

166796902080 is an abundant number, since it is smaller than the sum of its proper divisors (466569573120).

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

166796902080 is a wasteful number, since it uses less digits than its factorization.

166796902080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1091 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 166796902080 in words is "one hundred sixty-six billion, seven hundred ninety-six million, nine hundred two thousand, eighty".