6626244164 has 12 divisors (see below), whose sum is σ = 11754776124. Its totient is φ = 3267736704.

The previous prime is 6626244137. The next prime is 6626244187. The reversal of 6626244164 is 4614426266.

It can be written as a sum of positive squares in 2 ways, for example, as 2006323264 + 4619920900 = 44792^2 + 67970^2 .

It is a super-2 number, since 2×6626244164² = 87814223441888117792, which contains 22 as substring.

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, 11346017 + ... + 11346600.

It is an arithmetic number, because the mean of its divisors is an integer number (979564677).

Almost surely, 2^6626244164 is an apocalyptic number.

It is an amenable number.

6626244164 is a deficient number, since it is larger than the sum of its proper divisors (5128531960).

6626244164 is a wasteful number, since it uses less digits than its factorization.

6626244164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22692694 (or 22692692 counting only the distinct ones).

The product of its digits is 331776, while the sum is 41.

The square root of 6626244164 is about 81401.7454604015. The cubic root of 6626244164 is about 1878.2604404561.

The spelling of 6626244164 in words is "six billion, six hundred twenty-six million, two hundred forty-four thousand, one hundred sixty-four".