27666332896 has 48 divisors (see below), whose sum is σ = 58025721600. Its totient is φ = 12947188608.

The previous prime is 27666332867. The next prime is 27666332909. The reversal of 27666332896 is 69823366672.

It is a self number, because there is not a number n which added to its sum of digits gives 27666332896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223656 + ... + 324583.

It is an arithmetic number, because the mean of its divisors is an integer number (1208869200).

Almost surely, 2^27666332896 is an apocalyptic number.

It is an amenable number.

27666332896 is an abundant number, since it is smaller than the sum of its proper divisors (30359388704).

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

27666332896 is a wasteful number, since it uses less digits than its factorization.

27666332896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548351 (or 548343 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 58.

The spelling of 27666332896 in words is "twenty-seven billion, six hundred sixty-six million, three hundred thirty-two thousand, eight hundred ninety-six".