664424662 has 32 divisors (see below), whose sum is σ = 1114642944. Its totient is φ = 294492000.

The previous prime is 664424653. The next prime is 664424671. The reversal of 664424662 is 266424466.

664424662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (664424653) and next prime (664424671).

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, 146643 + ... + 151105.

It is an arithmetic number, because the mean of its divisors is an integer number (34832592).

Almost surely, 2^664424662 is an apocalyptic number.

664424662 is a deficient number, since it is larger than the sum of its proper divisors (450218282).

664424662 is a wasteful number, since it uses less digits than its factorization.

664424662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644.

The product of its digits is 331776, while the sum is 40.

The square root of 664424662 is about 25776.4361772531. The cubic root of 664424662 is about 872.6000791597.

The spelling of 664424662 in words is "six hundred sixty-four million, four hundred twenty-four thousand, six hundred sixty-two".