66002256 has 40 divisors (see below), whose sum is σ = 189452160. Its totient is φ = 22000608.

The previous prime is 66002243. The next prime is 66002263. The reversal of 66002256 is 65220066.

66002256 is a `hidden beast` number, since 6 + 600 + 2 + 2 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75960 + ... + 76823.

It is an arithmetic number, because the mean of its divisors is an integer number (4736304).

Almost surely, 2^66002256 is an apocalyptic number.

It is an amenable number.

66002256 is an abundant number, since it is smaller than the sum of its proper divisors (123449904).

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

66002256 is a wasteful number, since it uses less digits than its factorization.

66002256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152800 (or 152788 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 66002256 is about 8124.1772506513. The cubic root of 66002256 is about 404.1286065741.

The spelling of 66002256 in words is "sixty-six million, two thousand, two hundred fifty-six".