166360525 has 12 divisors (see below), whose sum is σ = 206485792. Its totient is φ = 132960240.

The previous prime is 166360499. The next prime is 166360549. The reversal of 166360525 is 525063661.

It is not a de Polignac number, because 166360525 - 2¹⁵ = 166327757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30022 + ... + 35128.

Almost surely, 2^166360525 is an apocalyptic number.

It is an amenable number.

166360525 is a deficient number, since it is larger than the sum of its proper divisors (40125267).

166360525 is a wasteful number, since it uses less digits than its factorization.

166360525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6420 (or 6415 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 166360525 is about 12898.0822217879. The cubic root of 166360525 is about 549.9840491242.

The spelling of 166360525 in words is "one hundred sixty-six million, three hundred sixty thousand, five hundred twenty-five".