664602982 has 8 divisors (see below), whose sum is σ = 997431336. Its totient is φ = 332125872.

The previous prime is 664602977. The next prime is 664603007. The reversal of 664602982 is 289206466.

664602982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83028 + ... + 90679.

It is an arithmetic number, because the mean of its divisors is an integer number (124678917).

Almost surely, 2^664602982 is an apocalyptic number.

664602982 is a deficient number, since it is larger than the sum of its proper divisors (332828354).

664602982 is a wasteful number, since it uses less digits than its factorization.

664602982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175622.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 664602982 is about 25779.8949183273. The cubic root of 664602982 is about 872.6781357285.

The spelling of 664602982 in words is "six hundred sixty-four million, six hundred two thousand, nine hundred eighty-two".