665980282 has 8 divisors (see below), whose sum is σ = 1089785952. Its totient is φ = 302718300.

The previous prime is 665980187. The next prime is 665980283. The reversal of 665980282 is 282089566.

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

It is not an unprimeable number, because it can be changed into a prime (665980283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15135894 + ... + 15135937.

It is an arithmetic number, because the mean of its divisors is an integer number (136223244).

Almost surely, 2^665980282 is an apocalyptic number.

665980282 is a deficient number, since it is larger than the sum of its proper divisors (423805670).

665980282 is a wasteful number, since it uses less digits than its factorization.

665980282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30271844.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 665980282 is about 25806.5937698101. The cubic root of 665980282 is about 873.2805556682.

The spelling of 665980282 in words is "six hundred sixty-five million, nine hundred eighty thousand, two hundred eighty-two".