866514132116712 has 192 divisors, whose sum is σ = 2413503950832000. Its totient is φ = 280740154675200.

The previous prime is 866514132116693. The next prime is 866514132116749. The reversal of 866514132116712 is 217611231415668.

866514132116712 is a `hidden beast` number, since 8 + 6 + 6 + 5 + 1 + 413 + 211 + 6 + 7 + 1 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14816990512 + ... + 14817048992.

It is an arithmetic number, because the mean of its divisors is an integer number (12570333077250).

Almost surely, 2^{866514132116712} 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 866514132116712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206751975416000).

866514132116712 is an abundant number, since it is smaller than the sum of its proper divisors (1546989818715288).

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

866514132116712 is a wasteful number, since it uses less digits than its factorization.

866514132116712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97832 (or 97825 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The spelling of 866514132116712 in words is "eight hundred sixty-six trillion, five hundred fourteen billion, one hundred thirty-two million, one hundred sixteen thousand, seven hundred twelve".