111386916 has 27 divisors (see below), whose sum is σ = 281721531. Its totient is φ = 37107864.

The previous prime is 111386879. The next prime is 111386921. The reversal of 111386916 is 619683111.

It is a happy number.

The square root of 111386916 is 10554.

It is a perfect power (a square), and thus also a powerful number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 62445 + ... + 64203.

Almost surely, 2^111386916 is an apocalyptic number.

111386916 is the 10554-th square number.

It is an amenable number.

111386916 is an abundant number, since it is smaller than the sum of its proper divisors (170334615).

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

111386916 is an equidigital number, since it uses as much as digits as its factorization.

111386916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528 (or 1764 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The cubic root of 111386916 is about 481.1473075762.

Multiplying 111386916 by its sum of digits (36), we get a square (4009928976 = 63324²).

111386916 divided by its sum of digits (36) gives a square (3094081 = 1759²).

The spelling of 111386916 in words is "one hundred eleven million, three hundred eighty-six thousand, nine hundred sixteen".