91264167 has 6 divisors (see below), whose sum is σ = 131826032. Its totient is φ = 60842772.

The previous prime is 91264157. The next prime is 91264183. The reversal of 91264167 is 76146219.

91264167 is a `hidden beast` number, since 9 + 1 + 2 + 641 + 6 + 7 = 666.

It is not a de Polignac number, because 91264167 - 2⁸ = 91263911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91264157) 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 5 ways as a sum of consecutive naturals, for example, 5070223 + ... + 5070240.

Almost surely, 2^91264167 is an apocalyptic number.

91264167 is a deficient number, since it is larger than the sum of its proper divisors (40561865).

91264167 is a wasteful number, since it uses less digits than its factorization.

91264167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10140469 (or 10140466 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 91264167 is about 9553.2280931631. The cubic root of 91264167 is about 450.2289649618.

The spelling of 91264167 in words is "ninety-one million, two hundred sixty-four thousand, one hundred sixty-seven".