616725226165 has 16 divisors (see below), whose sum is σ = 759920803200. Its totient is φ = 480308870592.

The previous prime is 616725226157. The next prime is 616725226213. The reversal of 616725226165 is 561622527616.

616725226165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 616725226165 - 2³ = 616725226157 is a prime.

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, 10118130 + ... + 10178899.

It is an arithmetic number, because the mean of its divisors is an integer number (47495050200).

Almost surely, 2^616725226165 is an apocalyptic number.

It is an amenable number.

616725226165 is a deficient number, since it is larger than the sum of its proper divisors (143195577035).

616725226165 is a wasteful number, since it uses less digits than its factorization.

616725226165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20297196.

The product of its digits is 1814400, while the sum is 49.

The spelling of 616725226165 in words is "six hundred sixteen billion, seven hundred twenty-five million, two hundred twenty-six thousand, one hundred sixty-five".