66602256 has 40 divisors (see below), whose sum is σ = 196636224. Its totient is φ = 19029120.

The previous prime is 66602251. The next prime is 66602269. The reversal of 66602256 is 65220666.

It is not an unprimeable number, because it can be changed into a prime (66602251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98775 + ... + 99446.

Almost surely, 2^66602256 is an apocalyptic number.

It is an amenable number.

66602256 is an abundant number, since it is smaller than the sum of its proper divisors (130033968).

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

66602256 is a wasteful number, since it uses less digits than its factorization.

66602256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198239 (or 198233 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 66602256 is about 8161.0205244197. The cubic root of 66602256 is about 405.3495047315.

The spelling of 66602256 in words is "sixty-six million, six hundred two thousand, two hundred fifty-six".