166080430080 has 600 divisors, whose sum is σ = 603665654592. Its totient is φ = 43858132992.

The previous prime is 166080429973. The next prime is 166080430157. The reversal of 166080430080 is 80034080661.

It is a happy number.

166080430080 is a `hidden beast` number, since 1 + 6 + 608 + 0 + 43 + 0 + 0 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1612431309 + ... + 1612431411.

Almost surely, 2^166080430080 is an apocalyptic number.

166080430080 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 166080430080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301832827296).

166080430080 is an abundant number, since it is smaller than the sum of its proper divisors (437585224512).

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

166080430080 is an frugal number, since it uses more digits than its factorization.

166080430080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 166080430080 in words is "one hundred sixty-six billion, eighty million, four hundred thirty thousand, eighty".