66925265 has 8 divisors (see below), whose sum is σ = 87611328. Its totient is φ = 48672880.

The previous prime is 66925253. The next prime is 66925283. The reversal of 66925265 is 56252966.

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

It is not a de Polignac number, because 66925265 - 2²⁰ = 65876689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608357 + ... + 608466.

It is an arithmetic number, because the mean of its divisors is an integer number (10951416).

Almost surely, 2^66925265 is an apocalyptic number.

It is an amenable number.

66925265 is a deficient number, since it is larger than the sum of its proper divisors (20686063).

66925265 is a wasteful number, since it uses less digits than its factorization.

66925265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216839.

The product of its digits is 194400, while the sum is 41.

The square root of 66925265 is about 8180.7863313987. The cubic root of 66925265 is about 406.0037390355.

The spelling of 66925265 in words is "sixty-six million, nine hundred twenty-five thousand, two hundred sixty-five".