166122479088 has 120 divisors (see below), whose sum is σ = 480652748160. Its totient is φ = 53504893440.

The previous prime is 166122479077. The next prime is 166122479093. The reversal of 166122479088 is 880974221661.

It is a happy number.

166122479088 is a `hidden beast` number, since 16 + 61 + 22 + 479 + 0 + 88 = 666.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 2886498 + ... + 2943486.

It is an arithmetic number, because the mean of its divisors is an integer number (4005439568).

Almost surely, 2^166122479088 is an apocalyptic number.

166122479088 is a gapful number since it is divisible by the number (18) 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 166122479088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240326374080).

166122479088 is an abundant number, since it is smaller than the sum of its proper divisors (314530269072).

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

166122479088 is a wasteful number, since it uses less digits than its factorization.

166122479088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57687 (or 57678 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 166122479088 in words is "one hundred sixty-six billion, one hundred twenty-two million, four hundred seventy-nine thousand, eighty-eight".