91052663 has 16 divisors (see below), whose sum is σ = 107412480. Its totient is φ = 76371456.

The previous prime is 91052641. The next prime is 91052683. The reversal of 91052663 is 36625019.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 91052663 - 2⁸ = 91052407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91052623) 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 in 15 ways as a sum of consecutive naturals, for example, 695 + ... + 13512.

It is an arithmetic number, because the mean of its divisors is an integer number (6713280).

Almost surely, 2^91052663 is an apocalyptic number.

91052663 is a deficient number, since it is larger than the sum of its proper divisors (16359817).

91052663 is a wasteful number, since it uses less digits than its factorization.

91052663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14266.

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

The square root of 91052663 is about 9542.1519061478. The cubic root of 91052663 is about 449.8808952274.

The spelling of 91052663 in words is "ninety-one million, fifty-two thousand, six hundred sixty-three".