112643164644 has 24 divisors (see below), whose sum is σ = 262930368288. Its totient is φ = 37533961920.

The previous prime is 112643164643. The next prime is 112643164649. The reversal of 112643164644 is 446461346211.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 112643164596 and 112643164605.

It is not an unprimeable number, because it can be changed into a prime (112643164643) by changing a digit.

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, 1685817 + ... + 1751360.

It is an arithmetic number, because the mean of its divisors is an integer number (10955432012).

Almost surely, 2^112643164644 is an apocalyptic number.

It is an amenable number.

112643164644 is an abundant number, since it is smaller than the sum of its proper divisors (150287203644).

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

112643164644 is a wasteful number, since it uses less digits than its factorization.

112643164644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439915 (or 3439913 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The spelling of 112643164644 in words is "one hundred twelve billion, six hundred forty-three million, one hundred sixty-four thousand, six hundred forty-four".