6664326294 has 16 divisors (see below), whose sum is σ = 13359582720. Its totient is φ = 2216287080.

The previous prime is 6664326289. The next prime is 6664326301. The reversal of 6664326294 is 4926234666.

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, 1285954 + ... + 1291125.

It is an arithmetic number, because the mean of its divisors is an integer number (834973920).

Almost surely, 2^6664326294 is an apocalyptic number.

6664326294 is an abundant number, since it is smaller than the sum of its proper divisors (6695256426).

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

6664326294 is a wasteful number, since it uses less digits than its factorization.

6664326294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577515.

The product of its digits is 2239488, while the sum is 48.

The square root of 6664326294 is about 81635.3250376331. The cubic root of 6664326294 is about 1881.8517944851.

The spelling of 6664326294 in words is "six billion, six hundred sixty-four million, three hundred twenty-six thousand, two hundred ninety-four".