91671112 has 32 divisors (see below), whose sum is σ = 185734080. Its totient is φ = 42166080.

The previous prime is 91671101. The next prime is 91671119. The reversal of 91671112 is 21117619.

It is not an unprimeable number, because it can be changed into a prime (91671119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33093 + ... + 35755.

It is an arithmetic number, because the mean of its divisors is an integer number (5804190).

Almost surely, 2^91671112 is an apocalyptic number.

It is an amenable number.

91671112 is an abundant number, since it is smaller than the sum of its proper divisors (94062968).

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

91671112 is a wasteful number, since it uses less digits than its factorization.

91671112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013 (or 3009 counting only the distinct ones).

The product of its digits is 756, while the sum is 28.

The square root of 91671112 is about 9574.5032247109. The cubic root of 91671112 is about 450.8971599478.

The spelling of 91671112 in words is "ninety-one million, six hundred seventy-one thousand, one hundred twelve".