91316268 has 96 divisors (see below), whose sum is σ = 244984320. Its totient is φ = 29401920.

The previous prime is 91316257. The next prime is 91316287. The reversal of 91316268 is 86261319.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (15552) is a multiple of the sum of its prime factors (324).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546721 + ... + 546887.

It is an arithmetic number, because the mean of its divisors is an integer number (2551920).

Almost surely, 2^91316268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91316268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122492160).

91316268 is an abundant number, since it is smaller than the sum of its proper divisors (153668052).

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

91316268 is a wasteful number, since it uses less digits than its factorization.

91316268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 316 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 91316268 is about 9555.9545833998. The cubic root of 91316268 is about 450.3146244187.

The spelling of 91316268 in words is "ninety-one million, three hundred sixteen thousand, two hundred sixty-eight".