66596272 has 20 divisors (see below), whose sum is σ = 129266280. Its totient is φ = 33237248.

The previous prime is 66596239. The next prime is 66596281. The reversal of 66596272 is 27269566.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5979 + ... + 12997.

It is an arithmetic number, because the mean of its divisors is an integer number (6463314).

Almost surely, 2^66596272 is an apocalyptic number.

It is an amenable number.

66596272 is a deficient number, since it is larger than the sum of its proper divisors (62670008).

66596272 is a wasteful number, since it uses less digits than its factorization.

66596272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7620 (or 7614 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 66596272 is about 8160.6538953689. The cubic root of 66596272 is about 405.3373645817.

The spelling of 66596272 in words is "sixty-six million, five hundred ninety-six thousand, two hundred seventy-two".