27851400168 has 32 divisors (see below), whose sum is σ = 69679517760. Its totient is φ = 9276997760.

The previous prime is 27851400149. The next prime is 27851400179. The reversal of 27851400168 is 86100415872.

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, 391653 + ... + 457268.

It is an arithmetic number, because the mean of its divisors is an integer number (2177484930).

Almost surely, 2^27851400168 is an apocalyptic number.

It is an amenable number.

27851400168 is an abundant number, since it is smaller than the sum of its proper divisors (41828117592).

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

27851400168 is a wasteful number, since it uses less digits than its factorization.

27851400168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850297 (or 850293 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 27851400168 in words is "twenty-seven billion, eight hundred fifty-one million, four hundred thousand, one hundred sixty-eight".