86331366 has 64 divisors (see below), whose sum is σ = 211507200. Its totient is φ = 25884000.

The previous prime is 86331359. The next prime is 86331391. The reversal of 86331366 is 66313368.

86331366 is a `hidden beast` number, since 8 + 633 + 13 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 86331366.

It is a congruent number.

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, 59275 + ... + 60713.

It is an arithmetic number, because the mean of its divisors is an integer number (3304800).

Almost surely, 2^86331366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86331366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105753600).

86331366 is an abundant number, since it is smaller than the sum of its proper divisors (125175834).

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

86331366 is a wasteful number, since it uses less digits than its factorization.

86331366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562 (or 1556 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 86331366 is about 9291.4673760392. The cubic root of 86331366 is about 441.9666887258.

It can be divided in two parts, 8633 and 1366, that added together give a palindrome (9999).

The spelling of 86331366 in words is "eighty-six million, three hundred thirty-one thousand, three hundred sixty-six".