166122231355652 has 48 divisors (see below), whose sum is σ = 359513699092800. Its totient is φ = 66033128396160.

The previous prime is 166122231355631. The next prime is 166122231355687. The reversal of 166122231355652 is 256553132221661.

It is a self number, because there is not a number n which added to its sum of digits gives 166122231355652.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7642712327 + ... + 7642734062.

It is an arithmetic number, because the mean of its divisors is an integer number (7489868731100).

Almost surely, 2^{166122231355652} is an apocalyptic number.

It is an amenable number.

166122231355652 is an abundant number, since it is smaller than the sum of its proper divisors (193391467737148).

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

166122231355652 is a wasteful number, since it uses less digits than its factorization.

166122231355652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15285446436 (or 15285446434 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 50.

The spelling of 166122231355652 in words is "one hundred sixty-six trillion, one hundred twenty-two billion, two hundred thirty-one million, three hundred fifty-five thousand, six hundred fifty-two".