91368683 has 8 divisors (see below), whose sum is σ = 106552800. Its totient is φ = 78315720.

The previous prime is 91368677. The next prime is 91368689. The reversal of 91368683 is 38686319.

It is an interprime number because it is at equal distance from previous prime (91368677) and next prime (91368689).

It is not a de Polignac number, because 91368683 - 2⁸ = 91368427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91368689) 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, 132848 + ... + 133533.

It is an arithmetic number, because the mean of its divisors is an integer number (13319100).

Almost surely, 2^91368683 is an apocalyptic number.

91368683 is a deficient number, since it is larger than the sum of its proper divisors (15184117).

91368683 is an equidigital number, since it uses as much as digits as its factorization.

91368683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266402 (or 266388 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 91368683 is about 9558.6967207878. The cubic root of 91368683 is about 450.4007672530.

It can be divided in two parts, 913 and 68683, that added together give a palindrome (69596).

The spelling of 91368683 in words is "ninety-one million, three hundred sixty-eight thousand, six hundred eighty-three".