65603982 has 16 divisors (see below), whose sum is σ = 134259840. Its totient is φ = 21359352.

The previous prime is 65603971. The next prime is 65603999. The reversal of 65603982 is 28930656.

65603982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 65603982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126882 + ... + 127397.

It is an arithmetic number, because the mean of its divisors is an integer number (8391240).

Almost surely, 2^65603982 is an apocalyptic number.

65603982 is an abundant number, since it is smaller than the sum of its proper divisors (68655858).

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

65603982 is a wasteful number, since it uses less digits than its factorization.

65603982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254327.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 65603982 is about 8099.6285099997. The cubic root of 65603982 is about 403.3140952659.

The spelling of 65603982 in words is "sixty-five million, six hundred three thousand, nine hundred eighty-two".