8106863616 has 220 divisors, whose sum is σ = 24782570472. Its totient is φ = 2638282752.

The previous prime is 8106863603. The next prime is 8106863707. The reversal of 8106863616 is 6163686018.

8106863616 is a `hidden beast` number, since 8 + 1 + 0 + 6 + 8 + 636 + 1 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3565456 + ... + 3567728.

Almost surely, 2^8106863616 is an apocalyptic number.

8106863616 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8106863616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12391285236).

8106863616 is an abundant number, since it is smaller than the sum of its proper divisors (16675706856).

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

8106863616 is a wasteful number, since it uses less digits than its factorization.

8106863616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348 (or 2321 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 8106863616 is about 90038.1231257071. The cubic root of 8106863616 is about 2008.8659408046.

The spelling of 8106863616 in words is "eight billion, one hundred six million, eight hundred sixty-three thousand, six hundred sixteen".