91516463 has 2 divisors, whose sum is σ = 91516464. Its totient is φ = 91516462.

The previous prime is 91516441. The next prime is 91516487. The reversal of 91516463 is 36461519.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91516463 is a prime.

It is a super-3 number, since 3×91516463³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91516063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45758231 + 45758232.

It is an arithmetic number, because the mean of its divisors is an integer number (45758232).

Almost surely, 2^91516463 is an apocalyptic number.

91516463 is a deficient number, since it is larger than the sum of its proper divisors (1).

91516463 is an equidigital number, since it uses as much as digits as its factorization.

91516463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 91516463 is about 9566.4237309456. The cubic root of 91516463 is about 450.6434630014.

The spelling of 91516463 in words is "ninety-one million, five hundred sixteen thousand, four hundred sixty-three".