65712651799604 has 12 divisors (see below), whose sum is σ = 114997203007428. Its totient is φ = 32856308083200.

The previous prime is 65712651799591. The next prime is 65712651799607. The reversal of 65712651799604 is 40699715621756.

It is a happy number.

65712651799604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 31595978260900 + 34116673538704 = 5621030^2 + 5840948^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65712651799607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7278164 + ... + 13579284.

It is an arithmetic number, because the mean of its divisors is an integer number (9583100250619).

Almost surely, 2^{65712651799604} is an apocalyptic number.

It is an amenable number.

65712651799604 is a deficient number, since it is larger than the sum of its proper divisors (49284551207824).

65712651799604 is a wasteful number, since it uses less digits than its factorization.

65712651799604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8908306 (or 8908304 counting only the distinct ones).

The product of its (nonzero) digits is 171460800, while the sum is 68.

The spelling of 65712651799604 in words is "sixty-five trillion, seven hundred twelve billion, six hundred fifty-one million, seven hundred ninety-nine thousand, six hundred four".