91516343 has 2 divisors, whose sum is σ = 91516344. Its totient is φ = 91516342.

The previous prime is 91516339. The next prime is 91516363. The reversal of 91516343 is 34361519.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91516343 - 2² = 91516339 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91516363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45758171 + 45758172.

It is an arithmetic number, because the mean of its divisors is an integer number (45758172).

Almost surely, 2^91516343 is an apocalyptic number.

91516343 is a deficient number, since it is larger than the sum of its proper divisors (1).

91516343 is an equidigital number, since it uses as much as digits as its factorization.

91516343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 91516343 is about 9566.4174590073. The cubic root of 91516343 is about 450.6432660341.

The spelling of 91516343 in words is "ninety-one million, five hundred sixteen thousand, three hundred forty-three".