66160525 has 24 divisors (see below), whose sum is σ = 84022400. Its totient is φ = 51667200.

The previous prime is 66160487. The next prime is 66160573. The reversal of 66160525 is 52506166.

It is not a de Polignac number, because 66160525 - 2⁹ = 66160013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274405 + ... + 274645.

Almost surely, 2^66160525 is an apocalyptic number.

It is an amenable number.

66160525 is a deficient number, since it is larger than the sum of its proper divisors (17861875).

66160525 is a wasteful number, since it uses less digits than its factorization.

66160525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 66160525 is about 8133.9120354231. The cubic root of 66160525 is about 404.4513731862.

The spelling of 66160525 in words is "sixty-six million, one hundred sixty thousand, five hundred twenty-five".