65161015610150 has 48 divisors (see below), whose sum is σ = 126656764591104. Its totient is φ = 24916592174880.

The previous prime is 65161015610123. The next prime is 65161015610161. The reversal of 65161015610150 is 5101651016156.

It is a happy number.

65161015610150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 322318622 + ... + 322520721.

It is an arithmetic number, because the mean of its divisors is an integer number (2638682595648).

Almost surely, 2^{65161015610150} is an apocalyptic number.

65161015610150 is a deficient number, since it is larger than the sum of its proper divisors (61495748980954).

65161015610150 is a wasteful number, since it uses less digits than its factorization.

65161015610150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644839445 (or 644839440 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 65161015610150 in words is "sixty-five trillion, one hundred sixty-one billion, fifteen million, six hundred ten thousand, one hundred fifty".