91826516 has 12 divisors (see below), whose sum is σ = 160831188. Its totient is φ = 45874752.

The previous prime is 91826513. The next prime is 91826569. The reversal of 91826516 is 61562819.

It can be written as a sum of positive squares in 2 ways, for example, as 53436100 + 38390416 = 7310^2 + 6196^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 91826516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91826513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3881 + ... + 14096.

It is an arithmetic number, because the mean of its divisors is an integer number (13402599).

Almost surely, 2^91826516 is an apocalyptic number.

It is an amenable number.

91826516 is a deficient number, since it is larger than the sum of its proper divisors (69004672).

91826516 is a wasteful number, since it uses less digits than its factorization.

91826516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19258 (or 19256 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 91826516 is about 9582.6153006369. The cubic root of 91826516 is about 451.1518081944.

The spelling of 91826516 in words is "ninety-one million, eight hundred twenty-six thousand, five hundred sixteen".