27316155663 has 16 divisors (see below), whose sum is σ = 40584348000. Its totient is φ = 18158584320.

The previous prime is 27316155661. The next prime is 27316155673. The reversal of 27316155663 is 36655161372.

27316155663 is a `hidden beast` number, since 2 + 7 + 31 + 6 + 1 + 556 + 63 = 666.

It is not a de Polignac number, because 27316155663 - 2¹ = 27316155661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27316155661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1440018 + ... + 1458863.

It is an arithmetic number, because the mean of its divisors is an integer number (2536521750).

Almost surely, 2^27316155663 is an apocalyptic number.

27316155663 is a deficient number, since it is larger than the sum of its proper divisors (13268192337).

27316155663 is a wasteful number, since it uses less digits than its factorization.

27316155663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899239 (or 2899233 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The spelling of 27316155663 in words is "twenty-seven billion, three hundred sixteen million, one hundred fifty-five thousand, six hundred sixty-three".