27356136516 has 18 divisors (see below), whose sum is σ = 69150234062. Its totient is φ = 9118712160.

The previous prime is 27356136491. The next prime is 27356136539. The reversal of 27356136516 is 61563165372.

27356136516 is a `hidden beast` number, since 2 + 7 + 3 + 561 + 36 + 51 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27334008900 + 22127616 = 165330^2 + 4704^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 379946305 + ... + 379946376.

Almost surely, 2^27356136516 is an apocalyptic number.

It is an amenable number.

27356136516 is an abundant number, since it is smaller than the sum of its proper divisors (41794097546).

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

27356136516 is a wasteful number, since it uses less digits than its factorization.

27356136516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759892691 (or 759892686 counting only the distinct ones).

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

The spelling of 27356136516 in words is "twenty-seven billion, three hundred fifty-six million, one hundred thirty-six thousand, five hundred sixteen".