27116049138 has 32 divisors (see below), whose sum is σ = 57445231104. Its totient is φ = 8503587072.

The previous prime is 27116049097. The next prime is 27116049161. The reversal of 27116049138 is 83194061172.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27116049138.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208831 + ... + 312797.

It is an arithmetic number, because the mean of its divisors is an integer number (1795163472).

Almost surely, 2^27116049138 is an apocalyptic number.

27116049138 is an abundant number, since it is smaller than the sum of its proper divisors (30329181966).

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

27116049138 is a wasteful number, since it uses less digits than its factorization.

27116049138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106546.

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 27116049138 in words is "twenty-seven billion, one hundred sixteen million, forty-nine thousand, one hundred thirty-eight".