27131484481616 has 20 divisors (see below), whose sum is σ = 53987987702772. Its totient is φ = 13199100558336.

The previous prime is 27131484481589. The next prime is 27131484481649. The reversal of 27131484481616 is 61618448413172.

It can be written as a sum of positive squares in 2 ways, for example, as 9604668739600 + 17526815742016 = 3099140^2 + 4186504^2 .

It is a super-2 number, since 2×27131484481616² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22915104545 + ... + 22915105728.

Almost surely, 2^{27131484481616} is an apocalyptic number.

It is an amenable number.

27131484481616 is a deficient number, since it is larger than the sum of its proper divisors (26856503221156).

27131484481616 is a wasteful number, since it uses less digits than its factorization.

27131484481616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45830210318 (or 45830210312 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 56.

The spelling of 27131484481616 in words is "twenty-seven trillion, one hundred thirty-one billion, four hundred eighty-four million, four hundred eighty-one thousand, six hundred sixteen".