6618256002 has 12 divisors (see below), whose sum is σ = 14339554710. Its totient is φ = 2206085328.

The previous prime is 6618255991. The next prime is 6618256027. The reversal of 6618256002 is 2006528166.

It can be written as a sum of positive squares in only one way, i.e., 6616032921 + 2223081 = 81339^2 + 1491^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 183840427 + ... + 183840462.

Almost surely, 2^6618256002 is an apocalyptic number.

6618256002 is an abundant number, since it is smaller than the sum of its proper divisors (7721298708).

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

6618256002 is a wasteful number, since it uses less digits than its factorization.

6618256002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367680897 (or 367680894 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 6618256002 is about 81352.6643816907. The cubic root of 6618256002 is about 1877.5053680721.

The spelling of 6618256002 in words is "six billion, six hundred eighteen million, two hundred fifty-six thousand, two".