6641068790 has 16 divisors (see below), whose sum is σ = 11956431168. Its totient is φ = 2655870336.

The previous prime is 6641068789. The next prime is 6641068831. The reversal of 6641068790 is 978601466.

It is a happy number.

It is a congruent number.

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, 17747 + ... + 116606.

It is an arithmetic number, because the mean of its divisors is an integer number (747276948).

Almost surely, 2^6641068790 is an apocalyptic number.

6641068790 is a deficient number, since it is larger than the sum of its proper divisors (5315362378).

6641068790 is a wasteful number, since it uses less digits than its factorization.

6641068790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139303.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 6641068790 is about 81492.7529906801. The cubic root of 6641068790 is about 1879.6601156725.

The spelling of 6641068790 in words is "six billion, six hundred forty-one million, sixty-eight thousand, seven hundred ninety".