6557837264 has 20 divisors (see below), whose sum is σ = 13860883680. Its totient is φ = 2980835040.

The previous prime is 6557837233. The next prime is 6557837267. The reversal of 6557837264 is 4627387556.

It is a happy number.

It is a super-2 number, since 2×6557837264² = 86010459162214011392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6557837267) 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, 18630044 + ... + 18630395.

It is an arithmetic number, because the mean of its divisors is an integer number (693044184).

Almost surely, 2^6557837264 is an apocalyptic number.

It is an amenable number.

6557837264 is an abundant number, since it is smaller than the sum of its proper divisors (7303046416).

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

6557837264 is a wasteful number, since it uses less digits than its factorization.

6557837264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37260458 (or 37260452 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 53.

The square root of 6557837264 is about 80980.4745849270. The cubic root of 6557837264 is about 1871.7745805102.

The spelling of 6557837264 in words is "six billion, five hundred fifty-seven million, eight hundred thirty-seven thousand, two hundred sixty-four".