27663163632 has 160 divisors (see below), whose sum is σ = 85621186560. Its totient is φ = 8500826880.

The previous prime is 27663163531. The next prime is 27663163663. The reversal of 27663163632 is 23636136672.

27663163632 is a `hidden beast` number, since 2 + 7 + 6 + 6 + 3 + 1 + 6 + 3 + 632 = 666.

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, 5113473 + ... + 5118879.

It is an arithmetic number, because the mean of its divisors is an integer number (535132416).

Almost surely, 2^27663163632 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 27663163632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42810593280).

27663163632 is an abundant number, since it is smaller than the sum of its proper divisors (57958022928).

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

27663163632 is a wasteful number, since it uses less digits than its factorization.

27663163632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6348 (or 6336 counting only the distinct ones).

The product of its digits is 979776, while the sum is 45.

The spelling of 27663163632 in words is "twenty-seven billion, six hundred sixty-three million, one hundred sixty-three thousand, six hundred thirty-two".