166010625 has 60 divisors (see below), whose sum is σ = 327007824. Its totient is φ = 80460000.

The previous prime is 166010617. The next prime is 166010633. The reversal of 166010625 is 526010661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (166010617) and next prime (166010633).

It is not a de Polignac number, because 166010625 - 2³ = 166010617 is a prime.

It is a super-2 number, since 2×166010625² = 55119055225781250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 60534 + ... + 63216.

Almost surely, 2^166010625 is an apocalyptic number.

166010625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

166010625 is a deficient number, since it is larger than the sum of its proper divisors (160997199).

166010625 is a wasteful number, since it uses less digits than its factorization.

166010625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720 (or 2702 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 166010625 is about 12884.5110500942. The cubic root of 166010625 is about 549.5981913742.

The spelling of 166010625 in words is "one hundred sixty-six million, ten thousand, six hundred twenty-five".