616655543 has 6 divisors (see below), whose sum is σ = 717334056. Its totient is φ = 528561852.

The previous prime is 616655509. The next prime is 616655581. The reversal of 616655543 is 345556616.

616655543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 616655543 - 2¹⁴ = 616639159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 616655543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616655443) 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, 6292355 + ... + 6292452.

It is an arithmetic number, because the mean of its divisors is an integer number (119555676).

Almost surely, 2^616655543 is an apocalyptic number.

616655543 is a deficient number, since it is larger than the sum of its proper divisors (100678513).

616655543 is a wasteful number, since it uses less digits than its factorization.

616655543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12584821 (or 12584814 counting only the distinct ones).

The product of its digits is 324000, while the sum is 41.

The square root of 616655543 is about 24832.5500704217. The cubic root of 616655543 is about 851.1658939690.

The spelling of 616655543 in words is "six hundred sixteen million, six hundred fifty-five thousand, five hundred forty-three".