66827232625 has 16 divisors (see below), whose sum is σ = 83418940800. Its totient is φ = 53449892400.

The previous prime is 66827232613. The next prime is 66827232629. The reversal of 66827232625 is 52623272866.

It is not a de Polignac number, because 66827232625 - 2¹⁷ = 66827101553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66827232629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527746 + ... + 642004.

It is an arithmetic number, because the mean of its divisors is an integer number (5213683800).

Almost surely, 2^66827232625 is an apocalyptic number.

It is an amenable number.

66827232625 is a deficient number, since it is larger than the sum of its proper divisors (16591708175).

66827232625 is a wasteful number, since it uses less digits than its factorization.

66827232625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118953 (or 118943 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 49.

The spelling of 66827232625 in words is "sixty-six billion, eight hundred twenty-seven million, two hundred thirty-two thousand, six hundred twenty-five".