65705250612 has 48 divisors (see below), whose sum is σ = 157621409792. Its totient is φ = 21290986080.

The previous prime is 65705250601. The next prime is 65705250629. The reversal of 65705250612 is 21605250756.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192868 + ... + 410619.

Almost surely, 2^65705250612 is an apocalyptic number.

It is an amenable number.

65705250612 is an abundant number, since it is smaller than the sum of its proper divisors (91916159180).

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

65705250612 is a wasteful number, since it uses less digits than its factorization.

65705250612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603748 (or 603746 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 65705250612 in words is "sixty-five billion, seven hundred five million, two hundred fifty thousand, six hundred twelve".