66286256 has 10 divisors (see below), whose sum is σ = 128429652. Its totient is φ = 33143120.

The previous prime is 66286243. The next prime is 66286261. The reversal of 66286256 is 65268266.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2071430 + ... + 2071461.

Almost surely, 2^66286256 is an apocalyptic number.

It is an amenable number.

66286256 is a deficient number, since it is larger than the sum of its proper divisors (62143396).

66286256 is a wasteful number, since it uses less digits than its factorization.

66286256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142899 (or 4142893 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 66286256 is about 8141.6371817958. The cubic root of 66286256 is about 404.7074165826.

The spelling of 66286256 in words is "sixty-six million, two hundred eighty-six thousand, two hundred fifty-six".