65660982 has 16 divisors (see below), whose sum is σ = 133548480. Its totient is φ = 21515912.

The previous prime is 65660981. The next prime is 65661047. The reversal of 65660982 is 28906656.

It is a super-2 number, since 2×65660982² = 8622729114408648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65660981) 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, 92388 + ... + 93095.

It is an arithmetic number, because the mean of its divisors is an integer number (8346780).

Almost surely, 2^65660982 is an apocalyptic number.

65660982 is an abundant number, since it is smaller than the sum of its proper divisors (67887498).

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

65660982 is a wasteful number, since it uses less digits than its factorization.

65660982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185547.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 65660982 is about 8103.1464259262. The cubic root of 65660982 is about 403.4308678965.

The spelling of 65660982 in words is "sixty-five million, six hundred sixty thousand, nine hundred eighty-two".