111866340 has 96 divisors (see below), whose sum is σ = 326592000. Its totient is φ = 28575232.

The previous prime is 111866303. The next prime is 111866347. The reversal of 111866340 is 43668111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 111866298 and 111866307.

It is not an unprimeable number, because it can be changed into a prime (111866347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 415726 + ... + 415994.

It is an arithmetic number, because the mean of its divisors is an integer number (3402000).

Almost surely, 2^111866340 is an apocalyptic number.

111866340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111866340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163296000).

111866340 is an abundant number, since it is smaller than the sum of its proper divisors (214725660).

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

111866340 is a wasteful number, since it uses less digits than its factorization.

111866340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 111866340 is about 10576.6885176789. The cubic root of 111866340 is about 481.8366267360.

The spelling of 111866340 in words is "one hundred eleven million, eight hundred sixty-six thousand, three hundred forty".