111616867 has 4 divisors (see below), whose sum is σ = 111638736. Its totient is φ = 111595000.

The previous prime is 111616837. The next prime is 111616889. The reversal of 111616867 is 768616111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 768616111 = 9833 ⋅78167.

It is a cyclic number.

It is not a de Polignac number, because 111616867 - 2¹¹ = 111614819 is a prime.

It is a super-3 number, since 3×111616867³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111616837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242 + ... + 14992.

It is an arithmetic number, because the mean of its divisors is an integer number (27909684).

Almost surely, 2^111616867 is an apocalyptic number.

111616867 is a deficient number, since it is larger than the sum of its proper divisors (21869).

111616867 is an equidigital number, since it uses as much as digits as its factorization.

111616867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21868.

The product of its digits is 12096, while the sum is 37.

The square root of 111616867 is about 10564.8884045218. Note that the first 3 decimals coincide. The cubic root of 111616867 is about 481.4781790380.

The spelling of 111616867 in words is "one hundred eleven million, six hundred sixteen thousand, eight hundred sixty-seven".