5583666663855 has 72 divisors (see below), whose sum is σ = 11369965935744. Its totient is φ = 2527260624000.

The previous prime is 5583666663853. The next prime is 5583666663857.

5583666663855 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (5583666663853) and next prime (5583666663857).

It is not a de Polignac number, because 5583666663855 - 2¹ = 5583666663853 is a prime.

It is a super-2 number, since 2×5583666663855² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5583666663853) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12313311 + ... + 12758720.

It is an arithmetic number, because the mean of its divisors is an integer number (157916193552).

Almost surely, 2^{5583666663855} is an apocalyptic number.

5583666663855 is an abundant number, since it is smaller than the sum of its proper divisors (5786299271889).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5583666663855 is a wasteful number, since it uses less digits than its factorization.

5583666663855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25072157 (or 25072147 counting only the distinct ones).

The product of its digits is 2799360000, while the sum is 72.

The spelling of 5583666663855 in words is "five trillion, five hundred eighty-three billion, six hundred sixty-six million, six hundred sixty-three thousand, eight hundred fifty-five".