7663042668 has 24 divisors (see below), whose sum is σ = 17898874560. Its totient is φ = 2551713040.

The previous prime is 7663042643. The next prime is 7663042669. The reversal of 7663042668 is 8662403667.

It is not an unprimeable number, because it can be changed into a prime (7663042669) 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, 317178 + ... + 340481.

It is an arithmetic number, because the mean of its divisors is an integer number (745786440).

Almost surely, 2^7663042668 is an apocalyptic number.

It is an amenable number.

7663042668 is an abundant number, since it is smaller than the sum of its proper divisors (10235831892).

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

7663042668 is a wasteful number, since it uses less digits than its factorization.

7663042668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658637 (or 658635 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The square root of 7663042668 is about 87538.8066402553. The cubic root of 7663042668 is about 1971.5164929942.

The spelling of 7663042668 in words is "seven billion, six hundred sixty-three million, forty-two thousand, six hundred sixty-eight".