662565982 has 16 divisors (see below), whose sum is σ = 1072243872. Its totient is φ = 305244000.

The previous prime is 662565971. The next prime is 662565989. The reversal of 662565982 is 289565266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662565989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8394 + ... + 37357.

It is an arithmetic number, because the mean of its divisors is an integer number (67015242).

Almost surely, 2^662565982 is an apocalyptic number.

662565982 is a deficient number, since it is larger than the sum of its proper divisors (409677890).

662565982 is a wasteful number, since it uses less digits than its factorization.

662565982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46323.

The product of its digits is 1555200, while the sum is 49.

The square root of 662565982 is about 25740.3570682304. The cubic root of 662565982 is about 871.7856406784.

The spelling of 662565982 in words is "six hundred sixty-two million, five hundred sixty-five thousand, nine hundred eighty-two".