86581416 has 32 divisors (see below), whose sum is σ = 217274400. Its totient is φ = 28751040.

The previous prime is 86581399. The next prime is 86581427. The reversal of 86581416 is 61418568.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250 + ... + 13161.

It is an arithmetic number, because the mean of its divisors is an integer number (6789825).

Almost surely, 2^86581416 is an apocalyptic number.

It is an amenable number.

86581416 is an abundant number, since it is smaller than the sum of its proper divisors (130692984).

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

86581416 is a wasteful number, since it uses less digits than its factorization.

86581416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13689 (or 13685 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 86581416 is about 9304.9135407053. The cubic root of 86581416 is about 442.3929812376.

The spelling of 86581416 in words is "eighty-six million, five hundred eighty-one thousand, four hundred sixteen".