27138116554 has 16 divisors (see below), whose sum is σ = 41086035648. Its totient is φ = 13443166432.

The previous prime is 27138116531. The next prime is 27138116557. The reversal of 27138116554 is 45561183172.

It is a super-4 number, since 4×27138116554⁴ (a number of 43 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27138116554.

It is not an unprimeable number, because it can be changed into a prime (27138116557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39369 + ... + 236275.

It is an arithmetic number, because the mean of its divisors is an integer number (2567877228).

Almost surely, 2^27138116554 is an apocalyptic number.

27138116554 is a deficient number, since it is larger than the sum of its proper divisors (13947919094).

27138116554 is a wasteful number, since it uses less digits than its factorization.

27138116554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197549.

The product of its digits is 201600, while the sum is 43.

The spelling of 27138116554 in words is "twenty-seven billion, one hundred thirty-eight million, one hundred sixteen thousand, five hundred fifty-four".