27666695895936 has 256 divisors, whose sum is σ = 76925373537600. Its totient is φ = 8800769802240.

The previous prime is 27666695895913. The next prime is 27666695895961. The reversal of 27666695895936 is 63959859666672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4268889816 + ... + 4268896296.

Almost surely, 2^{27666695895936} 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 27666695895936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38462686768800).

27666695895936 is an abundant number, since it is smaller than the sum of its proper divisors (49258677641664).

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

27666695895936 is a wasteful number, since it uses less digits than its factorization.

27666695895936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12257 (or 12245 counting only the distinct ones).

The product of its digits is 47617113600, while the sum is 87.

The spelling of 27666695895936 in words is "twenty-seven trillion, six hundred sixty-six billion, six hundred ninety-five million, eight hundred ninety-five thousand, nine hundred thirty-six".