166372580880 has 800 divisors, whose sum is σ = 652710009600. Its totient is φ = 38922301440.

The previous prime is 166372580873. The next prime is 166372580893. The reversal of 166372580880 is 88085273661.

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 159 ways as a sum of consecutive naturals, for example, 524834482 + ... + 524834798.

It is an arithmetic number, because the mean of its divisors is an integer number (815887512).

Almost surely, 2^166372580880 is an apocalyptic number.

166372580880 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 166372580880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326355004800).

166372580880 is an abundant number, since it is smaller than the sum of its proper divisors (486337428720).

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

166372580880 is a wasteful number, since it uses less digits than its factorization.

166372580880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 166372580880 in words is "one hundred sixty-six billion, three hundred seventy-two million, five hundred eighty thousand, eight hundred eighty".