27068245163 has 4 divisors (see below), whose sum is σ = 27068719728. Its totient is φ = 27067770600.

The previous prime is 27068245159. The next prime is 27068245201. The reversal of 27068245163 is 36154286072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27068245163 - 2² = 27068245159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27068275163) 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 3 ways as a sum of consecutive naturals, for example, 137831 + ... + 270432.

It is an arithmetic number, because the mean of its divisors is an integer number (6767179932).

Almost surely, 2^27068245163 is an apocalyptic number.

27068245163 is a deficient number, since it is larger than the sum of its proper divisors (474565).

27068245163 is an equidigital number, since it uses as much as digits as its factorization.

27068245163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474564.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 27068245163 in words is "twenty-seven billion, sixty-eight million, two hundred forty-five thousand, one hundred sixty-three".