91253368 has 8 divisors (see below), whose sum is σ = 171100080. Its totient is φ = 45626680.

The previous prime is 91253363. The next prime is 91253387. The reversal of 91253368 is 86335219.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91253363) 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, 5703328 + ... + 5703343.

It is an arithmetic number, because the mean of its divisors is an integer number (21387510).

Almost surely, 2^91253368 is an apocalyptic number.

It is an amenable number.

91253368 is a deficient number, since it is larger than the sum of its proper divisors (79846712).

91253368 is a wasteful number, since it uses less digits than its factorization.

91253368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11406677 (or 11406673 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 91253368 is about 9552.6628748219. The cubic root of 91253368 is about 450.2112062053.

The spelling of 91253368 in words is "ninety-one million, two hundred fifty-three thousand, three hundred sixty-eight".