91662343 has 2 divisors, whose sum is σ = 91662344. Its totient is φ = 91662342.

The previous prime is 91662331. The next prime is 91662353. The reversal of 91662343 is 34326619.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (34326619) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91662343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91662299 and 91662308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91662313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45831171 + 45831172.

It is an arithmetic number, because the mean of its divisors is an integer number (45831172).

Almost surely, 2^91662343 is an apocalyptic number.

91662343 is a deficient number, since it is larger than the sum of its proper divisors (1).

91662343 is an equidigital number, since it uses as much as digits as its factorization.

91662343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 34.

The square root of 91662343 is about 9574.0452787732. The cubic root of 91662343 is about 450.8827823059.

The spelling of 91662343 in words is "ninety-one million, six hundred sixty-two thousand, three hundred forty-three".