6656466261156 has 48 divisors (see below), whose sum is σ = 16222498992000. Its totient is φ = 2120328255232.

The previous prime is 6656466261143. The next prime is 6656466261191. The reversal of 6656466261156 is 6511626646566.

It is a self number, because there is not a number n which added to its sum of digits gives 6656466261156.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11206011 + ... + 11785058.

It is an arithmetic number, because the mean of its divisors is an integer number (337968729000).

Almost surely, 2^{6656466261156} is an apocalyptic number.

It is an amenable number.

6656466261156 is an abundant number, since it is smaller than the sum of its proper divisors (9566032730844).

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

6656466261156 is a wasteful number, since it uses less digits than its factorization.

6656466261156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22992148 (or 22992146 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 60.

The spelling of 6656466261156 in words is "six trillion, six hundred fifty-six billion, four hundred sixty-six million, two hundred sixty-one thousand, one hundred fifty-six".