3268663506 has 12 divisors (see below), whose sum is σ = 7082104302. Its totient is φ = 1089554496.

The previous prime is 3268663501. The next prime is 3268663507. The reversal of 3268663506 is 6053668623.

3268663506 is a `hidden beast` number, since 3 + 2 + 6 + 8 + 6 + 635 + 0 + 6 = 666.

3268663506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3267837225 + 826281 = 57165^2 + 909^2 .

It is a super-2 number, since 2×3268663506² = 21368322230912424072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3268663501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90796191 + ... + 90796226.

Almost surely, 2^3268663506 is an apocalyptic number.

3268663506 is an abundant number, since it is smaller than the sum of its proper divisors (3813440796).

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

3268663506 is a wasteful number, since it uses less digits than its factorization.

3268663506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181592425 (or 181592422 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The square root of 3268663506 is about 57172.2267014326. The cubic root of 3268663506 is about 1484.0780373834.

The spelling of 3268663506 in words is "three billion, two hundred sixty-eight million, six hundred sixty-three thousand, five hundred six".