27347621616 has 120 divisors (see below), whose sum is σ = 87502970880. Its totient is φ = 7810570368.

The previous prime is 27347621593. The next prime is 27347621669. The reversal of 27347621616 is 61612674372.

27347621616 is a `hidden beast` number, since 2 + 7 + 3 + 4 + 7 + 6 + 21 + 616 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4495665 + ... + 4501743.

It is an arithmetic number, because the mean of its divisors is an integer number (729191424).

Almost surely, 2^27347621616 is an apocalyptic number.

It is an amenable number.

27347621616 is an abundant number, since it is smaller than the sum of its proper divisors (60155349264).

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

27347621616 is a wasteful number, since it uses less digits than its factorization.

27347621616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10563 (or 10554 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The spelling of 27347621616 in words is "twenty-seven billion, three hundred forty-seven million, six hundred twenty-one thousand, six hundred sixteen".