6356522666 has 32 divisors (see below), whose sum is σ = 10894238208. Its totient is φ = 2755618560.

The previous prime is 6356522663. The next prime is 6356522677. The reversal of 6356522666 is 6662256536.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 6356522666.

It is not an unprimeable number, because it can be changed into a prime (6356522663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208031 + ... + 236621.

It is an arithmetic number, because the mean of its divisors is an integer number (340444944).

Almost surely, 2^6356522666 is an apocalyptic number.

6356522666 is a deficient number, since it is larger than the sum of its proper divisors (4537715542).

6356522666 is a wasteful number, since it uses less digits than its factorization.

6356522666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29126.

The product of its digits is 2332800, while the sum is 47.

The square root of 6356522666 is about 79727.8035944801. The cubic root of 6356522666 is about 1852.4217289814.

The spelling of 6356522666 in words is "six billion, three hundred fifty-six million, five hundred twenty-two thousand, six hundred sixty-six".