3664717056 has 648 divisors, whose sum is σ = 14503847904. Its totient is φ = 874782720.

The previous prime is 3664717039. The next prime is 3664717061. The reversal of 3664717056 is 6507174663.

3664717056 is a `hidden beast` number, since 3 + 66 + 471 + 70 + 56 = 666.

It is a super-2 number, since 2×3664717056² = 26860302201074614272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16144015 + ... + 16144241.

Almost surely, 2^3664717056 is an apocalyptic number.

3664717056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3664717056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7251923952).

3664717056 is an abundant number, since it is smaller than the sum of its proper divisors (10839130848).

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

3664717056 is a wasteful number, since it uses less digits than its factorization.

3664717056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The square root of 3664717056 is about 60536.9065612045. The cubic root of 3664717056 is about 1541.7483174649.

The spelling of 3664717056 in words is "three billion, six hundred sixty-four million, seven hundred seventeen thousand, fifty-six".