91513316 has 6 divisors (see below), whose sum is σ = 160148310. Its totient is φ = 45756656.

The previous prime is 91513283. The next prime is 91513319. The reversal of 91513316 is 61331519.

It can be written as a sum of positive squares in only one way, i.e., 91393600 + 119716 = 9560^2 + 346^2 .

It is not an unprimeable number, because it can be changed into a prime (91513319) 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 as a sum of consecutive naturals, namely, 11439161 + ... + 11439168.

It is an arithmetic number, because the mean of its divisors is an integer number (26691385).

Almost surely, 2^91513316 is an apocalyptic number.

It is an amenable number.

91513316 is a deficient number, since it is larger than the sum of its proper divisors (68634994).

91513316 is a wasteful number, since it uses less digits than its factorization.

91513316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22878333 (or 22878331 counting only the distinct ones).

The product of its digits is 2430, while the sum is 29.

The square root of 91513316 is about 9566.2592480028. The cubic root of 91513316 is about 450.6382974782.

The spelling of 91513316 in words is "ninety-one million, five hundred thirteen thousand, three hundred sixteen".