111663320 has 16 divisors (see below), whose sum is σ = 251242560. Its totient is φ = 44665312.

The previous prime is 111663301. The next prime is 111663337. The reversal of 111663320 is 23366111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395752 + ... + 1395831.

It is an arithmetic number, because the mean of its divisors is an integer number (15702660).

Almost surely, 2^111663320 is an apocalyptic number.

111663320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111663320 is an abundant number, since it is smaller than the sum of its proper divisors (139579240).

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

111663320 is a wasteful number, since it uses less digits than its factorization.

111663320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791594 (or 2791590 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 111663320 is about 10567.0866372903. The cubic root of 111663320 is about 481.5449640571.

The spelling of 111663320 in words is "one hundred eleven million, six hundred sixty-three thousand, three hundred twenty".