6537667264 has 28 divisors (see below), whose sum is σ = 12975793200. Its totient is φ = 3268176128.

The previous prime is 6537667247. The next prime is 6537667273. The reversal of 6537667264 is 4627667356.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533397 + ... + 545515.

Almost surely, 2^6537667264 is an apocalyptic number.

6537667264 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6537667264 is a deficient number, since it is larger than the sum of its proper divisors (6438125936).

6537667264 is a wasteful number, since it uses less digits than its factorization.

6537667264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20560 (or 20550 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 52.

The square root of 6537667264 is about 80855.8424852527. The cubic root of 6537667264 is about 1869.8535983072.

The spelling of 6537667264 in words is "six billion, five hundred thirty-seven million, six hundred sixty-seven thousand, two hundred sixty-four".