111660340 has 48 divisors (see below), whose sum is σ = 269277120. Its totient is φ = 38465280.

The previous prime is 111660323. The next prime is 111660371. The reversal of 111660340 is 43066111.

It is a happy number.

111660340 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

111660340 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9177 + ... + 17536.

It is an arithmetic number, because the mean of its divisors is an integer number (5609940).

Almost surely, 2^111660340 is an apocalyptic number.

111660340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111660340 is an abundant number, since it is smaller than the sum of its proper divisors (157616780).

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

111660340 is a wasteful number, since it uses less digits than its factorization.

111660340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26752 (or 26750 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 111660340 is about 10566.9456324900. The cubic root of 111660340 is about 481.5406802966.

The spelling of 111660340 in words is "one hundred eleven million, six hundred sixty thousand, three hundred forty".