65366085687 has 8 divisors (see below), whose sum is σ = 99605463936. Its totient is φ = 37352048952.

The previous prime is 65366085619. The next prime is 65366085703. The reversal of 65366085687 is 78658066356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65366085687 - 2¹⁶ = 65366020151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65366085687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65366085607) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1556335353 + ... + 1556335394.

It is an arithmetic number, because the mean of its divisors is an integer number (12450682992).

Almost surely, 2^65366085687 is an apocalyptic number.

65366085687 is a deficient number, since it is larger than the sum of its proper divisors (34239378249).

65366085687 is a wasteful number, since it uses less digits than its factorization.

65366085687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112670757.

The product of its (nonzero) digits is 43545600, while the sum is 60.

The spelling of 65366085687 in words is "sixty-five billion, three hundred sixty-six million, eighty-five thousand, six hundred eighty-seven".