664014002 has 16 divisors (see below), whose sum is σ = 1039884480. Its totient is φ = 317401392.

The previous prime is 664013989. The next prime is 664014011. The reversal of 664014002 is 200410466.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140693 + ... + 145335.

It is an arithmetic number, because the mean of its divisors is an integer number (64992780).

Almost surely, 2^664014002 is an apocalyptic number.

664014002 is a deficient number, since it is larger than the sum of its proper divisors (375870478).

664014002 is a wasteful number, since it uses less digits than its factorization.

664014002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7777.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 664014002 is about 25768.4691435095. The cubic root of 664014002 is about 872.4202665484.

Adding to 664014002 its reverse (200410466), we get a palindrome (864424468).

The spelling of 664014002 in words is "six hundred sixty-four million, fourteen thousand, two".