91141833 has 8 divisors (see below), whose sum is σ = 121571968. Its totient is φ = 60736464.

The previous prime is 91141823. The next prime is 91141837. The reversal of 91141833 is 33814119.

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

It is not a de Polignac number, because 91141833 - 2⁶ = 91141769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 91141833.

It is not an unprimeable number, because it can be changed into a prime (91141837) 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, 5616 + ... + 14622.

It is an arithmetic number, because the mean of its divisors is an integer number (15196496).

Almost surely, 2^91141833 is an apocalyptic number.

It is an amenable number.

91141833 is a deficient number, since it is larger than the sum of its proper divisors (30430135).

91141833 is a wasteful number, since it uses less digits than its factorization.

91141833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12383.

The product of its digits is 2592, while the sum is 30.

The square root of 91141833 is about 9546.8231888938. The cubic root of 91141833 is about 450.0277069360.

The spelling of 91141833 in words is "ninety-one million, one hundred forty-one thousand, eight hundred thirty-three".