112161772816 has 10 divisors (see below), whose sum is σ = 217313434862. Its totient is φ = 56080886400.

The previous prime is 112161772799. The next prime is 112161772841. The reversal of 112161772816 is 618277161211.

It can be written as a sum of positive squares in only one way, i.e., 111823360000 + 338412816 = 334400^2 + 18396^2 .

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 as a sum of consecutive naturals, namely, 3505055385 + ... + 3505055416.

Almost surely, 2^112161772816 is an apocalyptic number.

112161772816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

112161772816 is a deficient number, since it is larger than the sum of its proper divisors (105151662046).

112161772816 is an equidigital number, since it uses as much as digits as its factorization.

112161772816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7010110809 (or 7010110803 counting only the distinct ones).

The product of its digits is 56448, while the sum is 43.

The spelling of 112161772816 in words is "one hundred twelve billion, one hundred sixty-one million, seven hundred seventy-two thousand, eight hundred sixteen".