866611368 has 96 divisors (see below), whose sum is σ = 2686507200. Its totient is φ = 247221504.

The previous prime is 866611313. The next prime is 866611381. The reversal of 866611368 is 863116668.

866611368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

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, 568255 + ... + 569777.

It is an arithmetic number, because the mean of its divisors is an integer number (27984450).

Almost surely, 2^866611368 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 866611368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1343253600).

866611368 is an abundant number, since it is smaller than the sum of its proper divisors (1819895832).

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

866611368 is a wasteful number, since it uses less digits than its factorization.

866611368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671 (or 2664 counting only the distinct ones).

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

The square root of 866611368 is about 29438.2636716230. The cubic root of 866611368 is about 953.3992235526.

The spelling of 866611368 in words is "eight hundred sixty-six million, six hundred eleven thousand, three hundred sixty-eight".