6646070994 has 32 divisors (see below), whose sum is σ = 13333731840. Its totient is φ = 2208438912.

The previous prime is 6646070987. The next prime is 6646071011. The reversal of 6646070994 is 4990706466.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3644767 + ... + 3646589.

It is an arithmetic number, because the mean of its divisors is an integer number (416679120).

Almost surely, 2^6646070994 is an apocalyptic number.

6646070994 is an abundant number, since it is smaller than the sum of its proper divisors (6687660846).

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

6646070994 is a wasteful number, since it uses less digits than its factorization.

6646070994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The square root of 6646070994 is about 81523.4383107091. The cubic root of 6646070994 is about 1880.1319314762.

The spelling of 6646070994 in words is "six billion, six hundred forty-six million, seventy thousand, nine hundred ninety-four".