664200246 has 32 divisors (see below), whose sum is σ = 1397598048. Its totient is φ = 210159360.

The previous prime is 664200239. The next prime is 664200263. The reversal of 664200246 is 642002466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27385 + ... + 45588.

It is an arithmetic number, because the mean of its divisors is an integer number (43674939).

Almost surely, 2^664200246 is an apocalyptic number.

664200246 is an abundant number, since it is smaller than the sum of its proper divisors (733397802).

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

664200246 is a wasteful number, since it uses less digits than its factorization.

664200246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73056.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 664200246 is about 25772.0826865040. The cubic root of 664200246 is about 872.5018249949.

The spelling of 664200246 in words is "six hundred sixty-four million, two hundred thousand, two hundred forty-six".