6669601609608 has 96 divisors (see below), whose sum is σ = 20650069589760. Its totient is φ = 1905040650240.

The previous prime is 6669601609523. The next prime is 6669601609691. The reversal of 6669601609608 is 8069061069666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224953 + ... + 3659208.

It is an arithmetic number, because the mean of its divisors is an integer number (215104891560).

Almost surely, 2^{6669601609608} is an apocalyptic number.

It is an amenable number.

6669601609608 is an abundant number, since it is smaller than the sum of its proper divisors (13980467980152).

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

6669601609608 is a wasteful number, since it uses less digits than its factorization.

6669601609608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887587 (or 3887580 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 63.

The spelling of 6669601609608 in words is "six trillion, six hundred sixty-nine billion, six hundred one million, six hundred nine thousand, six hundred eight".