6664035146 has 16 divisors (see below), whose sum is σ = 10367873640. Its totient is φ = 3209860800.

The previous prime is 6664035127. The next prime is 6664035151. The reversal of 6664035146 is 6415304666.

It can be written as a sum of positive squares in 4 ways, for example, as 6532680625 + 131354521 = 80825^2 + 11461^2 .

It is a Curzon 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, 438341 + ... + 453288.

Almost surely, 2^6664035146 is an apocalyptic number.

6664035146 is a deficient number, since it is larger than the sum of its proper divisors (3703838494).

6664035146 is a wasteful number, since it uses less digits than its factorization.

6664035146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891769.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 6664035146 is about 81633.5417950244. The cubic root of 6664035146 is about 1881.8243895962.

The spelling of 6664035146 in words is "six billion, six hundred sixty-four million, thirty-five thousand, one hundred forty-six".