66625932 has 48 divisors (see below), whose sum is σ = 165925760. Its totient is φ = 20746368.

The previous prime is 66625891. The next prime is 66625961. The reversal of 66625932 is 23952666.

66625932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 14643 + ... + 18645.

Almost surely, 2^66625932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66625932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82962880).

66625932 is an abundant number, since it is smaller than the sum of its proper divisors (99299828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66625932 is a wasteful number, since it uses less digits than its factorization.

66625932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102 (or 4100 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 66625932 is about 8162.4709494123. The cubic root of 66625932 is about 405.3975307218.

The spelling of 66625932 in words is "sixty-six million, six hundred twenty-five thousand, nine hundred thirty-two".