91849331645326 has 24 divisors (see below), whose sum is σ = 145415429285400. Its totient is φ = 43505027848656.

The previous prime is 91849331645249. The next prime is 91849331645363. The reversal of 91849331645326 is 62354613394819.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8625520 + ... + 16065436.

It is an arithmetic number, because the mean of its divisors is an integer number (6058976220225).

Almost surely, 2^{91849331645326} is an apocalyptic number.

91849331645326 is a deficient number, since it is larger than the sum of its proper divisors (53566097640074).

91849331645326 is a wasteful number, since it uses less digits than its factorization.

91849331645326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7457056 (or 7457037 counting only the distinct ones).

The product of its digits is 100776960, while the sum is 64.

The spelling of 91849331645326 in words is "ninety-one trillion, eight hundred forty-nine billion, three hundred thirty-one million, six hundred forty-five thousand, three hundred twenty-six".