9111691116 has 72 divisors (see below), whose sum is σ = 25138870848. Its totient is φ = 2759724000.

The previous prime is 9111691087. The next prime is 9111691117. The reversal of 9111691116 is 6111961119.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

9111691116 is a strobogrammatic number because it is the same when read upside-down.

It is not an unprimeable number, because it can be changed into a prime (9111691117) 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 23 ways as a sum of consecutive naturals, for example, 997731 + ... + 1006821.

It is an arithmetic number, because the mean of its divisors is an integer number (349150984).

Almost surely, 2^9111691116 is an apocalyptic number.

It is an amenable number.

9111691116 is an abundant number, since it is smaller than the sum of its proper divisors (16027179732).

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

9111691116 is a wasteful number, since it uses less digits than its factorization.

9111691116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11643 (or 11638 counting only the distinct ones).

The product of its digits is 2916, while the sum is 36.

The square root of 9111691116 is about 95455.1785708874. The cubic root of 9111691116 is about 2088.6531707136.

The spelling of 9111691116 in words is "nine billion, one hundred eleven million, six hundred ninety-one thousand, one hundred sixteen".