5618881863 has 48 divisors (see below), whose sum is σ = 9612395520. Its totient is φ = 3094604352.

The previous prime is 5618881841. The next prime is 5618881883. The reversal of 5618881863 is 3681888165.

5618881863 is a `hidden beast` number, since 5 + 618 + 8 + 8 + 18 + 6 + 3 = 666.

It is not a de Polignac number, because 5618881863 - 2⁵ = 5618881831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5618881883) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1172370 + ... + 1177152.

It is an arithmetic number, because the mean of its divisors is an integer number (200258240).

Almost surely, 2^5618881863 is an apocalyptic number.

5618881863 is a deficient number, since it is larger than the sum of its proper divisors (3993513657).

5618881863 is a wasteful number, since it uses less digits than its factorization.

5618881863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5468 (or 5465 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The square root of 5618881863 is about 74959.2013231198. The cubic root of 5618881863 is about 1777.8016313534.

The spelling of 5618881863 in words is "five billion, six hundred eighteen million, eight hundred eighty-one thousand, eight hundred sixty-three".