6239580661 has 16 divisors (see below), whose sum is σ = 6521207616. Its totient is φ = 5964731136.

The previous prime is 6239580647. The next prime is 6239580667. The reversal of 6239580661 is 1660859326.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6239580661 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 (6239580667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 983646 + ... + 989968.

It is an arithmetic number, because the mean of its divisors is an integer number (407575476).

Almost surely, 2^6239580661 is an apocalyptic number.

It is an amenable number.

6239580661 is a deficient number, since it is larger than the sum of its proper divisors (281626955).

6239580661 is a wasteful number, since it uses less digits than its factorization.

6239580661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6852.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 6239580661 is about 78991.0163309727. The cubic root of 6239580661 is about 1840.9915753624.

The spelling of 6239580661 in words is "six billion, two hundred thirty-nine million, five hundred eighty thousand, six hundred sixty-one".