6646356052 has 24 divisors (see below), whose sum is σ = 13296104640. Its totient is φ = 2847711360.

The previous prime is 6646356007. The next prime is 6646356071. The reversal of 6646356052 is 2506536466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89724 + ... + 146092.

It is an arithmetic number, because the mean of its divisors is an integer number (554004360).

Almost surely, 2^6646356052 is an apocalyptic number.

It is an amenable number.

6646356052 is an abundant number, since it is smaller than the sum of its proper divisors (6649748588).

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

6646356052 is a wasteful number, since it uses less digits than its factorization.

6646356052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60591 (or 60589 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The square root of 6646356052 is about 81525.1866112553. The cubic root of 6646356052 is about 1880.1588114672.

The spelling of 6646356052 in words is "six billion, six hundred forty-six million, three hundred fifty-six thousand, fifty-two".