91853263158 has 16 divisors (see below), whose sum is σ = 190041234480. Its totient is φ = 29561969696.

The previous prime is 91853263153. The next prime is 91853263181. The reversal of 91853263158 is 85136235819.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 91853263158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91853263153) 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 7 ways as a sum of consecutive naturals, for example, 263945985 + ... + 263946332.

It is an arithmetic number, because the mean of its divisors is an integer number (11877577155).

Almost surely, 2^91853263158 is an apocalyptic number.

91853263158 is an abundant number, since it is smaller than the sum of its proper divisors (98187971322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91853263158 is a wasteful number, since it uses less digits than its factorization.

91853263158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527892351.

The product of its digits is 1555200, while the sum is 51.

The spelling of 91853263158 in words is "ninety-one billion, eight hundred fifty-three million, two hundred sixty-three thousand, one hundred fifty-eight".