6647136562 has 16 divisors (see below), whose sum is σ = 11142429984. Its totient is φ = 2947732000.

The previous prime is 6647136547. The next prime is 6647136637. The reversal of 6647136562 is 2656317466.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3683764 + ... + 3685567.

It is an arithmetic number, because the mean of its divisors is an integer number (696401874).

Almost surely, 2^6647136562 is an apocalyptic number.

6647136562 is a deficient number, since it is larger than the sum of its proper divisors (4495293422).

6647136562 is a wasteful number, since it uses less digits than its factorization.

6647136562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7369385.

The product of its digits is 1088640, while the sum is 46.

The square root of 6647136562 is about 81529.9733962915. The cubic root of 6647136562 is about 1880.2324069483.

The spelling of 6647136562 in words is "six billion, six hundred forty-seven million, one hundred thirty-six thousand, five hundred sixty-two".