110691 has 18 divisors (see below), whose sum is σ = 186732. Its totient is φ = 63000.

The previous prime is 110681. The next prime is 110711. The reversal of 110691 is 196011.

It is not a de Polignac number, because 110691 - 2⁷ = 110563 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 110691.

It is not an unprimeable number, because it can be changed into a prime (110641) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 316 + ... + 566.

It is an arithmetic number, because the mean of its divisors is an integer number (10374).

2¹¹⁰⁶⁹¹ is an apocalyptic number.

110691 is a deficient number, since it is larger than the sum of its proper divisors (76041).

110691 is a wasteful number, since it uses less digits than its factorization.

110691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 110691 is about 332.7025698729. The cubic root of 110691 is about 48.0143186449.

The spelling of 110691 in words is "one hundred ten thousand, six hundred ninety-one".