663255602 has 16 divisors (see below), whose sum is σ = 1027825152. Its totient is φ = 320664960.

The previous prime is 663255601. The next prime is 663255617. The reversal of 663255602 is 206552366.

It is not an unprimeable number, because it can be changed into a prime (663255601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86018 + ... + 93410.

It is an arithmetic number, because the mean of its divisors is an integer number (64239072).

Almost surely, 2^663255602 is an apocalyptic number.

663255602 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

663255602 is a deficient number, since it is larger than the sum of its proper divisors (364569550).

663255602 is a wasteful number, since it uses less digits than its factorization.

663255602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8873.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 663255602 is about 25753.7492804446. The cubic root of 663255602 is about 872.0879966537.

The spelling of 663255602 in words is "six hundred sixty-three million, two hundred fifty-five thousand, six hundred two".