664200602 has 16 divisors (see below), whose sum is σ = 1081393152. Its totient is φ = 304138800.

The previous prime is 664200571. The next prime is 664200623. The reversal of 664200602 is 206002466.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

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 7 ways as a sum of consecutive naturals, for example, 97274 + ... + 103877.

It is an arithmetic number, because the mean of its divisors is an integer number (67587072).

Almost surely, 2^664200602 is an apocalyptic number.

664200602 is a deficient number, since it is larger than the sum of its proper divisors (417192550).

664200602 is a wasteful number, since it uses less digits than its factorization.

664200602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201293.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 664200602 is about 25772.0895932014. The cubic root of 664200602 is about 872.5019808769.

The spelling of 664200602 in words is "six hundred sixty-four million, two hundred thousand, six hundred two".