6642266456 has 16 divisors (see below), whose sum is σ = 14233428240. Its totient is φ = 2846685600.

The previous prime is 6642266441. The next prime is 6642266483. The reversal of 6642266456 is 6546622466.

It is a self number, because there is not a number n which added to its sum of digits gives 6642266456.

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 3 ways as a sum of consecutive naturals, for example, 59305895 + ... + 59306006.

It is an arithmetic number, because the mean of its divisors is an integer number (889589265).

Almost surely, 2^6642266456 is an apocalyptic number.

It is an amenable number.

6642266456 is an abundant number, since it is smaller than the sum of its proper divisors (7591161784).

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

6642266456 is a wasteful number, since it uses less digits than its factorization.

6642266456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118611914 (or 118611910 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 47.

The square root of 6642266456 is about 81500.1009569927. The cubic root of 6642266456 is about 1879.7731029927.

The spelling of 6642266456 in words is "six billion, six hundred forty-two million, two hundred sixty-six thousand, four hundred fifty-six".