616344442550523 has 6 divisors (see below), whose sum is σ = 890275305906324. Its totient is φ = 410896295033676.

The previous prime is 616344442550513. The next prime is 616344442550591. The reversal of 616344442550523 is 325055244443616.

616344442550523 is a `hidden beast` number, since 6 + 1 + 6 + 3 + 4 + 4 + 44 + 25 + 50 + 523 = 666.

It is not a de Polignac number, because 616344442550523 - 2²² = 616344438356219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 616344442550523.

It is not an unprimeable number, because it can be changed into a prime (616344442550513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34241357919465 + ... + 34241357919482.

It is an arithmetic number, because the mean of its divisors is an integer number (148379217651054).

Almost surely, 2^{616344442550523} is an apocalyptic number.

616344442550523 is a deficient number, since it is larger than the sum of its proper divisors (273930863355801).

616344442550523 is a wasteful number, since it uses less digits than its factorization.

616344442550523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68482715838953 (or 68482715838950 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 54.

The spelling of 616344442550523 in words is "six hundred sixteen trillion, three hundred forty-four billion, four hundred forty-two million, five hundred fifty thousand, five hundred twenty-three".