664107296 has 24 divisors (see below), whose sum is σ = 1349639424. Its totient is φ = 321341760.

The previous prime is 664107293. The next prime is 664107343. The reversal of 664107296 is 692701466.

It is not an unprimeable number, because it can be changed into a prime (664107293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333740 + ... + 335723.

It is an arithmetic number, because the mean of its divisors is an integer number (56234976).

Almost surely, 2^664107296 is an apocalyptic number.

It is an amenable number.

664107296 is an abundant number, since it is smaller than the sum of its proper divisors (685532128).

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

664107296 is a wasteful number, since it uses less digits than its factorization.

664107296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669504 (or 669496 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 664107296 is about 25770.2793155216. The cubic root of 664107296 is about 872.4611229985.

The spelling of 664107296 in words is "six hundred sixty-four million, one hundred seven thousand, two hundred ninety-six".