38556655665583 has 6 divisors (see below), whose sum is σ = 42380456227592. Its totient is φ = 35051505150420.

The previous prime is 38556655665511. The next prime is 38556655665611.

It is a happy number.

38556655665583 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 38556655665583 - 2²⁹ = 38556118794671 is a prime.

It is a super-2 number, since 2×38556655665583² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38556655665083) 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, 159325023291 + ... + 159325023532.

Almost surely, 2^{38556655665583} is an apocalyptic number.

38556655665583 is a deficient number, since it is larger than the sum of its proper divisors (3823800562009).

38556655665583 is a wasteful number, since it uses less digits than its factorization.

38556655665583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318650046845 (or 318650046834 counting only the distinct ones).

The product of its digits is 11664000000, while the sum is 76.

The spelling of 38556655665583 in words is "thirty-eight trillion, five hundred fifty-six billion, six hundred fifty-five million, six hundred sixty-five thousand, five hundred eighty-three".