91916467 has 4 divisors (see below), whose sum is σ = 97323336. Its totient is φ = 86509600.

The previous prime is 91916459. The next prime is 91916477. The reversal of 91916467 is 76461919.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76461919 = 3613 ⋅21163.

It is not a de Polignac number, because 91916467 - 2³ = 91916459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91916477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2703409 + ... + 2703442.

It is an arithmetic number, because the mean of its divisors is an integer number (24330834).

Almost surely, 2^91916467 is an apocalyptic number.

91916467 is a deficient number, since it is larger than the sum of its proper divisors (5406869).

91916467 is a wasteful number, since it uses less digits than its factorization.

91916467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5406868.

The product of its digits is 81648, while the sum is 43.

The square root of 91916467 is about 9587.3075991125. The cubic root of 91916467 is about 451.2990725300.

The spelling of 91916467 in words is "ninety-one million, nine hundred sixteen thousand, four hundred sixty-seven".