91919095060 has 48 divisors (see below), whose sum is σ = 207902217600. Its totient is φ = 33935497344.

The previous prime is 91919095057. The next prime is 91919095087. The reversal of 91919095060 is 6059091919.

It is a junction number, because it is equal to n+sod(n) for n = 91919094995 and 91919095013.

It is a congruent number.

It is an unprimeable number.

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, 3360921 + ... + 3388159.

It is an arithmetic number, because the mean of its divisors is an integer number (4331296200).

Almost surely, 2^91919095060 is an apocalyptic number.

It is an amenable number.

91919095060 is an abundant number, since it is smaller than the sum of its proper divisors (115983122540).

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

91919095060 is a wasteful number, since it uses less digits than its factorization.

91919095060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40240 (or 40238 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 49.

The spelling of 91919095060 in words is "ninety-one billion, nine hundred nineteen million, ninety-five thousand, sixty".