91366063 has 2 divisors, whose sum is σ = 91366064. Its totient is φ = 91366062.

The previous prime is 91366049. The next prime is 91366087. The reversal of 91366063 is 36066319.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (36066319) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91366063 - 2¹⁷ = 91234991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91366963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45683031 + 45683032.

It is an arithmetic number, because the mean of its divisors is an integer number (45683032).

Almost surely, 2^91366063 is an apocalyptic number.

91366063 is a deficient number, since it is larger than the sum of its proper divisors (1).

91366063 is an equidigital number, since it uses as much as digits as its factorization.

91366063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 91366063 is about 9558.5596718334. The cubic root of 91366063 is about 450.3964621262.

The spelling of 91366063 in words is "ninety-one million, three hundred sixty-six thousand, sixty-three".