27831016612 has 96 divisors (see below), whose sum is σ = 60926342400. Its totient is φ = 10853595648.

The previous prime is 27831016607. The next prime is 27831016621. The reversal of 27831016612 is 21661013872.

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, 3034738 + ... + 3043894.

It is an arithmetic number, because the mean of its divisors is an integer number (634649400).

Almost surely, 2^27831016612 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 27831016612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30463171200).

27831016612 is an abundant number, since it is smaller than the sum of its proper divisors (33095325788).

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

27831016612 is a wasteful number, since it uses less digits than its factorization.

27831016612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9413 (or 9411 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 27831016612 in words is "twenty-seven billion, eight hundred thirty-one million, sixteen thousand, six hundred twelve".