6557340264 has 16 divisors (see below), whose sum is σ = 16393350720. Its totient is φ = 2185780080.

The previous prime is 6557340263. The next prime is 6557340277. The reversal of 6557340264 is 4620437556.

It is a super-2 number, since 2×6557340264² = 85997422675751179392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6557340263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136611232 + ... + 136611279.

It is an arithmetic number, because the mean of its divisors is an integer number (1024584420).

Almost surely, 2^6557340264 is an apocalyptic number.

It is an amenable number.

6557340264 is an abundant number, since it is smaller than the sum of its proper divisors (9836010456).

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

6557340264 is a wasteful number, since it uses less digits than its factorization.

6557340264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273222520 (or 273222516 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The square root of 6557340264 is about 80977.4058858395. The cubic root of 6557340264 is about 1871.7272938093.

The spelling of 6557340264 in words is "six billion, five hundred fifty-seven million, three hundred forty thousand, two hundred sixty-four".