2616563855 has 8 divisors (see below), whose sum is σ = 3164600832. Its totient is φ = 2076768288.

The previous prime is 2616563839. The next prime is 2616563863. The reversal of 2616563855 is 5583656162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2616563855 - 2⁴ = 2616563839 is a prime.

It is a super-2 number, since 2×2616563855² = 13692812814584922050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2059652 + ... + 2060921.

It is an arithmetic number, because the mean of its divisors is an integer number (395575104).

Almost surely, 2^2616563855 is an apocalyptic number.

2616563855 is a deficient number, since it is larger than the sum of its proper divisors (548036977).

2616563855 is a wasteful number, since it uses less digits than its factorization.

2616563855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4120705.

The product of its digits is 1296000, while the sum is 47.

The square root of 2616563855 is about 51152.3592320041. The cubic root of 2616563855 is about 1377.9827445610.

The spelling of 2616563855 in words is "two billion, six hundred sixteen million, five hundred sixty-three thousand, eight hundred fifty-five".