6667560288 has 72 divisors (see below), whose sum is σ = 19614722400. Its totient is φ = 2145878784.

The previous prime is 6667560257. The next prime is 6667560301. The reversal of 6667560288 is 8820657666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×6667560288² = 88912720388229285888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390808 + ... + 407511.

It is an arithmetic number, because the mean of its divisors is an integer number (272426700).

Almost surely, 2^6667560288 is an apocalyptic number.

It is an amenable number.

6667560288 is an abundant number, since it is smaller than the sum of its proper divisors (12947162112).

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

6667560288 is a wasteful number, since it uses less digits than its factorization.

6667560288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798364 (or 798353 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The square root of 6667560288 is about 81655.1302001289. The cubic root of 6667560288 is about 1882.1561469921.

The spelling of 6667560288 in words is "six billion, six hundred sixty-seven million, five hundred sixty thousand, two hundred eighty-eight".