91316 has 12 divisors (see below), whose sum is σ = 164388. Its totient is φ = 44352.

The previous prime is 91309. The next prime is 91331. The reversal of 91316 is 61319.

It can be written as a sum of positive squares in 2 ways, for example, as 38416 + 52900 = 196^2 + 230^2 .

It is a super-2 number, since 2×91316² = 16677223712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161 + ... + 456.

It is an arithmetic number, because the mean of its divisors is an integer number (13699).

2⁹¹³¹⁶ is an apocalyptic number.

It is an amenable number.

91316 is a deficient number, since it is larger than the sum of its proper divisors (73072).

91316 is a wasteful number, since it uses less digits than its factorization.

91316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 656 counting only the distinct ones).

The product of its digits is 162, while the sum is 20.

The square root of 91316 is about 302.1853735706. The cubic root of 91316 is about 45.0314183882.

It can be divided in two parts, 913 and 16, that added together give a palindrome (929).

The spelling of 91316 in words is "ninety-one thousand, three hundred sixteen".