664250982 has 16 divisors (see below), whose sum is σ = 1398423360. Its totient is φ = 209763432.

The previous prime is 664250941. The next prime is 664250989. The reversal of 664250982 is 289052466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664250989) by changing a digit.

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, 2913268 + ... + 2913495.

It is an arithmetic number, because the mean of its divisors is an integer number (87401460).

Almost surely, 2^664250982 is an apocalyptic number.

664250982 is an abundant number, since it is smaller than the sum of its proper divisors (734172378).

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

664250982 is a wasteful number, since it uses less digits than its factorization.

664250982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5826787.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 664250982 is about 25773.0669886221. The cubic root of 664250982 is about 872.5240402459.

The spelling of 664250982 in words is "six hundred sixty-four million, two hundred fifty thousand, nine hundred eighty-two".