91206983116 has 24 divisors (see below), whose sum is σ = 162246792960. Its totient is φ = 44853824400.

The previous prime is 91206983111. The next prime is 91206983141. The reversal of 91206983116 is 61138960219.

It is not an unprimeable number, because it can be changed into a prime (91206983111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264240 + ... + 502231.

It is an arithmetic number, because the mean of its divisors is an integer number (6760283040).

Almost surely, 2^91206983116 is an apocalyptic number.

It is an amenable number.

91206983116 is a deficient number, since it is larger than the sum of its proper divisors (71039809844).

91206983116 is a wasteful number, since it uses less digits than its factorization.

91206983116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766965 (or 766963 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The spelling of 91206983116 in words is "ninety-one billion, two hundred six million, nine hundred eighty-three thousand, one hundred sixteen".