2168536712 has 16 divisors (see below), whose sum is σ = 4206213900. Its totient is φ = 1046879680.

The previous prime is 2168536703. The next prime is 2168536717. The reversal of 2168536712 is 2176358612.

It can be written as a sum of positive squares in 2 ways, for example, as 1974380356 + 194156356 = 44434^2 + 13934^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2168536712.

It is not an unprimeable number, because it can be changed into a prime (2168536717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4673339 + ... + 4673802.

Almost surely, 2^2168536712 is an apocalyptic number.

It is an amenable number.

2168536712 is a deficient number, since it is larger than the sum of its proper divisors (2037677188).

2168536712 is a wasteful number, since it uses less digits than its factorization.

2168536712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9347176 (or 9347172 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 2168536712 is about 46567.5499892361. The cubic root of 2168536712 is about 1294.3615188619.

The spelling of 2168536712 in words is "two billion, one hundred sixty-eight million, five hundred thirty-six thousand, seven hundred twelve".