166057088 has 72 divisors (see below), whose sum is σ = 356744745. Its totient is φ = 76978176.

The previous prime is 166057061. The next prime is 166057097. The reversal of 166057088 is 880750661.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 151979584 + 14077504 = 12328^2 + 3752^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=9112.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2478431 + ... + 2478497.

Almost surely, 2^166057088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166057088

166057088 is an abundant number, since it is smaller than the sum of its proper divisors (190687657).

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

166057088 is an frugal number, since it uses more digits than its factorization.

166057088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 166057088 is about 12886.3139803436. The cubic root of 166057088 is about 549.6494603794.

The spelling of 166057088 in words is "one hundred sixty-six million, fifty-seven thousand, eighty-eight".