166022504178480 has 80 divisors (see below), whose sum is σ = 571855292177760. Its totient is φ = 44272667780352.

The previous prime is 166022504178473. The next prime is 166022504178491. The reversal of 166022504178480 is 84871405220661.

166022504178480 is a `hidden beast` number, since 1 + 6 + 6 + 0 + 2 + 2 + 50 + 41 + 78 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×166022504178480² (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38431133067 + ... + 38431137386.

It is an arithmetic number, because the mean of its divisors is an integer number (7148191152222).

Almost surely, 2^{166022504178480} is an apocalyptic number.

166022504178480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166022504178480 is an abundant number, since it is smaller than the sum of its proper divisors (405832787999280).

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

166022504178480 is a wasteful number, since it uses less digits than its factorization.

166022504178480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76862270475 (or 76862270463 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 166022504178480 in words is "one hundred sixty-six trillion, twenty-two billion, five hundred four million, one hundred seventy-eight thousand, four hundred eighty".