6657226164 has 48 divisors (see below), whose sum is σ = 17263915200. Its totient is φ = 2218504608.

The previous prime is 6657226139. The next prime is 6657226171. The reversal of 6657226164 is 4616227566.

6657226164 is a `hidden beast` number, since 6 + 6 + 5 + 7 + 22 + 616 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732802 + ... + 741830.

It is an arithmetic number, because the mean of its divisors is an integer number (359664900).

Almost surely, 2^6657226164 is an apocalyptic number.

It is an amenable number.

6657226164 is an abundant number, since it is smaller than the sum of its proper divisors (10606689036).

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

6657226164 is a wasteful number, since it uses less digits than its factorization.

6657226164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15869 (or 15861 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 6657226164 is about 81591.8265759506. The cubic root of 6657226164 is about 1881.1832527776.

The spelling of 6657226164 in words is "six billion, six hundred fifty-seven million, two hundred twenty-six thousand, one hundred sixty-four".