66056448 has 36 divisors (see below), whose sum is σ = 175808528. Its totient is φ = 22018560.

The previous prime is 66056429. The next prime is 66056489. The reversal of 66056448 is 84465066.

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, 42238 + ... + 43773.

Almost surely, 2^66056448 is an apocalyptic number.

It is an amenable number.

66056448 is an abundant number, since it is smaller than the sum of its proper divisors (109752080).

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

66056448 is an equidigital number, since it uses as much as digits as its factorization.

66056448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86030 (or 86016 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 66056448 is about 8127.5117963618. The cubic root of 66056448 is about 404.2391813110.

The spelling of 66056448 in words is "sixty-six million, fifty-six thousand, four hundred forty-eight".