65905925320 has 16 divisors (see below), whose sum is σ = 148288332060. Its totient is φ = 26362370112.

The previous prime is 65905925303. The next prime is 65905925339. The reversal of 65905925320 is 2352950956.

It can be written as a sum of positive squares in 2 ways, for example, as 65557505764 + 348419556 = 256042^2 + 18666^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823824027 + ... + 823824106.

Almost surely, 2^65905925320 is an apocalyptic number.

It is an amenable number.

65905925320 is an abundant number, since it is smaller than the sum of its proper divisors (82382406740).

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

65905925320 is a wasteful number, since it uses less digits than its factorization.

65905925320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647648144 (or 1647648140 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 46.

The spelling of 65905925320 in words is "sixty-five billion, nine hundred five million, nine hundred twenty-five thousand, three hundred twenty".