166525122 has 8 divisors (see below), whose sum is σ = 333050256. Its totient is φ = 55508372.

The previous prime is 166525103. The next prime is 166525133. The reversal of 166525122 is 221525661.

It is a sphenic number, since it is the product of 3 distinct primes.

166525122 is an admirable number.

It is a super-2 number, since 2×166525122² = 55461232514229768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 166525122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13877088 + ... + 13877099.

It is an arithmetic number, because the mean of its divisors is an integer number (41631282).

Almost surely, 2^166525122 is an apocalyptic number.

166525122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

166525122 is a wasteful number, since it uses less digits than its factorization.

166525122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27754192.

The product of its digits is 7200, while the sum is 30.

The square root of 166525122 is about 12904.4613215740. The cubic root of 166525122 is about 550.1653739618.

The spelling of 166525122 in words is "one hundred sixty-six million, five hundred twenty-five thousand, one hundred twenty-two".