27336844656 has 160 divisors (see below), whose sum is σ = 86309475840. Its totient is φ = 8283718080.

The previous prime is 27336844637. The next prime is 27336844657. The reversal of 27336844656 is 65644863372.

27336844656 is a `hidden beast` number, since 2 + 73 + 36 + 84 + 465 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27336844657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 551221 + ... + 598763.

It is an arithmetic number, because the mean of its divisors is an integer number (539434224).

Almost surely, 2^27336844656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27336844656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43154737920).

27336844656 is an abundant number, since it is smaller than the sum of its proper divisors (58972631184).

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

27336844656 is a wasteful number, since it uses less digits than its factorization.

27336844656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47593 (or 47559 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 54.

The spelling of 27336844656 in words is "twenty-seven billion, three hundred thirty-six million, eight hundred forty-four thousand, six hundred fifty-six".