6604959511644 has 96 divisors (see below), whose sum is σ = 16624957031424. Its totient is φ = 2028884275200.

The previous prime is 6604959511637. The next prime is 6604959511681. The reversal of 6604959511644 is 4461159594066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245496697 + ... + 245523599.

It is an arithmetic number, because the mean of its divisors is an integer number (173176635744).

Almost surely, 2^{6604959511644} is an apocalyptic number.

It is an amenable number.

6604959511644 is an abundant number, since it is smaller than the sum of its proper divisors (10019997519780).

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

6604959511644 is a wasteful number, since it uses less digits than its factorization.

6604959511644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29507 (or 29505 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 60.

The spelling of 6604959511644 in words is "six trillion, six hundred four billion, nine hundred fifty-nine million, five hundred eleven thousand, six hundred forty-four".