616366545 has 16 divisors (see below), whose sum is σ = 995405760. Its totient is φ = 325655744.

The previous prime is 616366529. The next prime is 616366547. The reversal of 616366545 is 545663616.

It is a cyclic number.

It is not a de Polignac number, because 616366545 - 2⁴ = 616366529 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 616366497 and 616366506.

It is not an unprimeable number, because it can be changed into a prime (616366547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190410 + ... + 193619.

It is an arithmetic number, because the mean of its divisors is an integer number (62212860).

Almost surely, 2^616366545 is an apocalyptic number.

It is an amenable number.

616366545 is a deficient number, since it is larger than the sum of its proper divisors (379039215).

616366545 is a wasteful number, since it uses less digits than its factorization.

616366545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384144.

The product of its digits is 388800, while the sum is 42.

The square root of 616366545 is about 24826.7304532836. The cubic root of 616366545 is about 851.0329057981.

The spelling of 616366545 in words is "six hundred sixteen million, three hundred sixty-six thousand, five hundred forty-five".