6656737746 has 32 divisors (see below), whose sum is σ = 13622185728. Its totient is φ = 2167637760.

The previous prime is 6656737729. The next prime is 6656737751. The reversal of 6656737746 is 6477376566.

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, 130746 + ... + 174378.

It is an arithmetic number, because the mean of its divisors is an integer number (425693304).

Almost surely, 2^6656737746 is an apocalyptic number.

6656737746 is an abundant number, since it is smaller than the sum of its proper divisors (6965447982).

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

6656737746 is a wasteful number, since it uses less digits than its factorization.

6656737746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44226.

The product of its digits is 26671680, while the sum is 57.

The square root of 6656737746 is about 81588.8334638999. The cubic root of 6656737746 is about 1881.1372463174.

The spelling of 6656737746 in words is "six billion, six hundred fifty-six million, seven hundred thirty-seven thousand, seven hundred forty-six".