9116568786 has 48 divisors (see below), whose sum is σ = 19807744320. Its totient is φ = 2795981760.

The previous prime is 9116568779. The next prime is 9116568793. The reversal of 9116568786 is 6878656119.

It is an interprime number because it is at equal distance from previous prime (9116568779) and next prime (9116568793).

It is a super-2 number, since 2×9116568786² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300900 + ... + 329808.

It is an arithmetic number, because the mean of its divisors is an integer number (412661340).

Almost surely, 2^9116568786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9116568786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9903872160).

9116568786 is an abundant number, since it is smaller than the sum of its proper divisors (10691175534).

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

9116568786 is a wasteful number, since it uses less digits than its factorization.

9116568786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29251 (or 29238 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 57.

The square root of 9116568786 is about 95480.7246830479. The cubic root of 9116568786 is about 2089.0258034634.

It can be divided in two parts, 91165 and 68786, that added together give a palindrome (159951).

The spelling of 9116568786 in words is "nine billion, one hundred sixteen million, five hundred sixty-eight thousand, seven hundred eighty-six".