27538265616 has 40 divisors (see below), whose sum is σ = 72142507584. Its totient is φ = 9050133120.

The previous prime is 27538265569. The next prime is 27538265653. The reversal of 27538265616 is 61656283572.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4036831 + ... + 4043646.

Almost surely, 2^27538265616 is an apocalyptic number.

It is an amenable number.

27538265616 is an abundant number, since it is smaller than the sum of its proper divisors (44604241968).

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

27538265616 is a wasteful number, since it uses less digits than its factorization.

27538265616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8080559 (or 8080553 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 51.

The spelling of 27538265616 in words is "twenty-seven billion, five hundred thirty-eight million, two hundred sixty-five thousand, six hundred sixteen".