91464667 has 4 divisors (see below), whose sum is σ = 104531056. Its totient is φ = 78398280.

The previous prime is 91464649. The next prime is 91464671. The reversal of 91464667 is 76646419.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 91464667 - 2¹¹ = 91462619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91464617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6533184 + ... + 6533197.

It is an arithmetic number, because the mean of its divisors is an integer number (26132764).

Almost surely, 2^91464667 is an apocalyptic number.

91464667 is a deficient number, since it is larger than the sum of its proper divisors (13066389).

91464667 is a wasteful number, since it uses less digits than its factorization.

91464667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13066388.

The product of its digits is 217728, while the sum is 43.

The square root of 91464667 is about 9563.7161710289. The cubic root of 91464667 is about 450.5584293619.

The spelling of 91464667 in words is "ninety-one million, four hundred sixty-four thousand, six hundred sixty-seven".