6722937816 has 64 divisors (see below), whose sum is σ = 19355086080. Its totient is φ = 1906170240.

The previous prime is 6722937811. The next prime is 6722937821. The reversal of 6722937816 is 6187392276.

It is an interprime number because it is at equal distance from previous prime (6722937811) and next prime (6722937821).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6722937811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130731 + ... + 174746.

It is an arithmetic number, because the mean of its divisors is an integer number (302423220).

Almost surely, 2^6722937816 is an apocalyptic number.

It is an amenable number.

6722937816 is an abundant number, since it is smaller than the sum of its proper divisors (12632148264).

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

6722937816 is a wasteful number, since it uses less digits than its factorization.

6722937816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305624 (or 305620 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 51.

The square root of 6722937816 is about 81993.5230124917. The cubic root of 6722937816 is about 1887.3525464449.

The spelling of 6722937816 in words is "six billion, seven hundred twenty-two million, nine hundred thirty-seven thousand, eight hundred sixteen".