7664315663 has 8 divisors (see below), whose sum is σ = 7929864480. Its totient is φ = 7398851040.

The previous prime is 7664315647. The next prime is 7664315669. The reversal of 7664315663 is 3665134667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7664315663 - 2⁴ = 7664315647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7664315669) 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, 205733 + ... + 240113.

It is an arithmetic number, because the mean of its divisors is an integer number (991233060).

Almost surely, 2^7664315663 is an apocalyptic number.

7664315663 is a deficient number, since it is larger than the sum of its proper divisors (265548817).

7664315663 is a wasteful number, since it uses less digits than its factorization.

7664315663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42097.

The product of its digits is 1632960, while the sum is 47.

The square root of 7664315663 is about 87546.0773707195. The cubic root of 7664315663 is about 1971.6256572773.

The spelling of 7664315663 in words is "seven billion, six hundred sixty-four million, three hundred fifteen thousand, six hundred sixty-three".