112819818 has 16 divisors (see below), whose sum is σ = 226249056. Its totient is φ = 37505040.

The previous prime is 112819789. The next prime is 112819829. The reversal of 112819818 is 818918211.

It is a super-2 number, since 2×112819818² = 25456622667106248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22968 + ... + 27443.

It is an arithmetic number, because the mean of its divisors is an integer number (14140566).

Almost surely, 2^112819818 is an apocalyptic number.

112819818 is an abundant number, since it is smaller than the sum of its proper divisors (113429238).

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

112819818 is a wasteful number, since it uses less digits than its factorization.

112819818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50789.

The product of its digits is 9216, while the sum is 39.

The square root of 112819818 is about 10621.6673832313. The cubic root of 112819818 is about 483.2017126610.

The spelling of 112819818 in words is "one hundred twelve million, eight hundred nineteen thousand, eight hundred eighteen".