6556666667232 has 96 divisors (see below), whose sum is σ = 19764114894720. Its totient is φ = 1882296645120.

The previous prime is 6556666667219. The next prime is 6556666667249. The reversal of 6556666667232 is 2327666666556.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163373743 + ... + 163413870.

It is an arithmetic number, because the mean of its divisors is an integer number (205876196820).

Almost surely, 2^{6556666667232} is an apocalyptic number.

It is an amenable number.

6556666667232 is an abundant number, since it is smaller than the sum of its proper divisors (13207448227488).

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

6556666667232 is a wasteful number, since it uses less digits than its factorization.

6556666667232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326787656 (or 326787648 counting only the distinct ones).

The product of its digits is 587865600, while the sum is 66.

The spelling of 6556666667232 in words is "six trillion, five hundred fifty-six billion, six hundred sixty-six million, six hundred sixty-seven thousand, two hundred thirty-two".