664200534 has 8 divisors (see below), whose sum is σ = 1328401080. Its totient is φ = 221400176.

The previous prime is 664200521. The next prime is 664200541. The reversal of 664200534 is 435002466.

It is a sphenic number, since it is the product of 3 distinct primes.

664200534 is an admirable number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 55350039 + ... + 55350050.

It is an arithmetic number, because the mean of its divisors is an integer number (166050135).

Almost surely, 2^664200534 is an apocalyptic number.

664200534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

664200534 is a wasteful number, since it uses less digits than its factorization.

664200534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110700094.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 664200534 is about 25772.0882739447. The cubic root of 664200534 is about 872.5019511017.

The spelling of 664200534 in words is "six hundred sixty-four million, two hundred thousand, five hundred thirty-four".