6656041290 has 16 divisors (see below), whose sum is σ = 15974499168. Its totient is φ = 1774944336.

The previous prime is 6656041289. The next prime is 6656041307. The reversal of 6656041290 is 921406566.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110933992 + ... + 110934051.

It is an arithmetic number, because the mean of its divisors is an integer number (998406198).

Almost surely, 2^6656041290 is an apocalyptic number.

6656041290 is an abundant number, since it is smaller than the sum of its proper divisors (9318457878).

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

6656041290 is a wasteful number, since it uses less digits than its factorization.

6656041290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221868053.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 6656041290 is about 81584.5652681927. The cubic root of 6656041290 is about 1881.0716398564.

The spelling of 6656041290 in words is "six billion, six hundred fifty-six million, forty-one thousand, two hundred ninety".