111680606 has 8 divisors (see below), whose sum is σ = 168457320. Its totient is φ = 55528168.

The previous prime is 111680603. The next prime is 111680609. The reversal of 111680606 is 606086111.

It is an interprime number because it is at equal distance from previous prime (111680603) and next prime (111680609).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111680603) 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 3 ways as a sum of consecutive naturals, for example, 155621 + ... + 156336.

It is an arithmetic number, because the mean of its divisors is an integer number (21057165).

Almost surely, 2^111680606 is an apocalyptic number.

111680606 is a deficient number, since it is larger than the sum of its proper divisors (56776714).

111680606 is a wasteful number, since it uses less digits than its factorization.

111680606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312138.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 111680606 is about 10567.9045226573. The cubic root of 111680606 is about 481.5698112398.

The spelling of 111680606 in words is "one hundred eleven million, six hundred eighty thousand, six hundred six".