6721614264 has 32 divisors (see below), whose sum is σ = 16879403520. Its totient is φ = 2230489056.

The previous prime is 6721614257. The next prime is 6721614313. The reversal of 6721614264 is 4624161276.

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, 622602 + ... + 633305.

It is an arithmetic number, because the mean of its divisors is an integer number (527481360).

Almost surely, 2^6721614264 is an apocalyptic number.

It is an amenable number.

6721614264 is an abundant number, since it is smaller than the sum of its proper divisors (10157789256).

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

6721614264 is a wasteful number, since it uses less digits than its factorization.

6721614264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256139 (or 1256135 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 6721614264 is about 81985.4515386724. The cubic root of 6721614264 is about 1887.2286832741.

The spelling of 6721614264 in words is "six billion, seven hundred twenty-one million, six hundred fourteen thousand, two hundred sixty-four".