91337165 has 8 divisors (see below), whose sum is σ = 110076408. Its totient is φ = 72755200.

The previous prime is 91337159. The next prime is 91337167. The reversal of 91337165 is 56173319.

It can be written as a sum of positive squares in 4 ways, for example, as 25110121 + 66227044 = 5011^2 + 8138^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91337165 - 2¹⁴ = 91320781 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 (91337167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38036 + ... + 40365.

It is an arithmetic number, because the mean of its divisors is an integer number (13759551).

Almost surely, 2^91337165 is an apocalyptic number.

It is an amenable number.

91337165 is a deficient number, since it is larger than the sum of its proper divisors (18739243).

91337165 is a wasteful number, since it uses less digits than its factorization.

91337165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78639.

The product of its digits is 17010, while the sum is 35.

The square root of 91337165 is about 9557.0479228682. The cubic root of 91337165 is about 450.3489721028.

The spelling of 91337165 in words is "ninety-one million, three hundred thirty-seven thousand, one hundred sixty-five".