665622982 has 8 divisors (see below), whose sum is σ = 1010464056. Its totient is φ = 328801632.

The previous prime is 665622959. The next prime is 665623001. The reversal of 665622982 is 289226566.

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, 2004723 + ... + 2005054.

It is an arithmetic number, because the mean of its divisors is an integer number (126308007).

Almost surely, 2^665622982 is an apocalyptic number.

665622982 is a deficient number, since it is larger than the sum of its proper divisors (344841074).

665622982 is a wasteful number, since it uses less digits than its factorization.

665622982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4009862.

The product of its digits is 622080, while the sum is 46.

The square root of 665622982 is about 25799.6701916904. The cubic root of 665622982 is about 873.1243553682.

The spelling of 665622982 in words is "six hundred sixty-five million, six hundred twenty-two thousand, nine hundred eighty-two".