65013165365 has 16 divisors (see below), whose sum is σ = 82613109168. Its totient is φ = 48946262016.

The previous prime is 65013165353. The next prime is 65013165403. The reversal of 65013165365 is 56356131056.

It is a happy number.

65013165365 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 8 ways, for example, as 37625956 + 64975539409 = 6134^2 + 254903^2 .

It is a cyclic number.

It is not a de Polignac number, because 65013165365 - 2²² = 65008971061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 994529 + ... + 1057881.

It is an arithmetic number, because the mean of its divisors is an integer number (5163319323).

Almost surely, 2^65013165365 is an apocalyptic number.

It is an amenable number.

65013165365 is a deficient number, since it is larger than the sum of its proper divisors (17599943803).

65013165365 is a wasteful number, since it uses less digits than its factorization.

65013165365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75448.

The product of its (nonzero) digits is 243000, while the sum is 41.

The spelling of 65013165365 in words is "sixty-five billion, thirteen million, one hundred sixty-five thousand, three hundred sixty-five".