91655267 has 4 divisors (see below), whose sum is σ = 99987576. Its totient is φ = 83322960.

The previous prime is 91655257. The next prime is 91655269. The reversal of 91655267 is 76255619.

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 91655267 - 2¹⁰ = 91654243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91655269) 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, 4166138 + ... + 4166159.

It is an arithmetic number, because the mean of its divisors is an integer number (24996894).

Almost surely, 2^91655267 is an apocalyptic number.

91655267 is a deficient number, since it is larger than the sum of its proper divisors (8332309).

91655267 is a wasteful number, since it uses less digits than its factorization.

91655267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8332308.

The product of its digits is 113400, while the sum is 41.

The square root of 91655267 is about 9573.6757308779. The cubic root of 91655267 is about 450.8711798362.

It can be divided in two parts, 916552 and 67, that added together give a palindrome (916619).

The spelling of 91655267 in words is "ninety-one million, six hundred fifty-five thousand, two hundred sixty-seven".