91366395 has 16 divisors (see below), whose sum is σ = 146364192. Its totient is φ = 48669440.

The previous prime is 91366391. The next prime is 91366403. The reversal of 91366395 is 59366319.

It is not a de Polignac number, because 91366395 - 2² = 91366391 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (91366391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10879 + ... + 17351.

It is an arithmetic number, because the mean of its divisors is an integer number (9147762).

Almost surely, 2^91366395 is an apocalyptic number.

91366395 is a deficient number, since it is larger than the sum of its proper divisors (54997797).

91366395 is a wasteful number, since it uses less digits than its factorization.

91366395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7422.

The product of its digits is 131220, while the sum is 42.

The square root of 91366395 is about 9558.5770384509. The cubic root of 91366395 is about 450.3970076659.

The spelling of 91366395 in words is "ninety-one million, three hundred sixty-six thousand, three hundred ninety-five".