91516 has 12 divisors (see below), whose sum is σ = 162288. Its totient is φ = 45152.

The previous prime is 91513. The next prime is 91529. The reversal of 91516 is 61519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465 + ... + 631.

It is an arithmetic number, because the mean of its divisors is an integer number (13524).

2⁹¹⁵¹⁶ is an apocalyptic number.

It is an amenable number.

91516 is a deficient number, since it is larger than the sum of its proper divisors (70772).

91516 is a wasteful number, since it uses less digits than its factorization.

91516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 306 counting only the distinct ones).

The product of its digits is 270, while the sum is 22.

The square root of 91516 is about 302.5161152732. The cubic root of 91516 is about 45.0642703035.

The spelling of 91516 in words is "ninety-one thousand, five hundred sixteen".