6657622264 has 16 divisors (see below), whose sum is σ = 12578334120. Its totient is φ = 3303399840.

The previous prime is 6657622259. The next prime is 6657622277. The reversal of 6657622264 is 4622267566.

It is a congruent number.

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, 3175299 + ... + 3177394.

Almost surely, 2^6657622264 is an apocalyptic number.

It is an amenable number.

6657622264 is a deficient number, since it is larger than the sum of its proper divisors (5920711856).

6657622264 is a wasteful number, since it uses less digits than its factorization.

6657622264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6352830 (or 6352826 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 46.

The square root of 6657622264 is about 81594.2538663110. The cubic root of 6657622264 is about 1881.2205617053.

The spelling of 6657622264 in words is "six billion, six hundred fifty-seven million, six hundred twenty-two thousand, two hundred sixty-four".