91001466009198 has 24 divisors (see below), whose sum is σ = 198914708891808. Its totient is φ = 30065381099712.

The previous prime is 91001466009161. The next prime is 91001466009199. The reversal of 91001466009198 is 89190066410019.

91001466009198 is a `hidden beast` number, since 9 + 1 + 0 + 0 + 1 + 466 + 0 + 0 + 91 + 98 = 666.

91001466009198 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91001466009199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22370073190 + ... + 22370077257.

It is an arithmetic number, because the mean of its divisors is an integer number (8288112870492).

Almost surely, 2^{91001466009198} is an apocalyptic number.

91001466009198 is an abundant number, since it is smaller than the sum of its proper divisors (107913242882610).

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

91001466009198 is a wasteful number, since it uses less digits than its factorization.

91001466009198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44740150568 (or 44740150565 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The spelling of 91001466009198 in words is "ninety-one trillion, one billion, four hundred sixty-six million, nine thousand, one hundred ninety-eight".