270991841868 has 96 divisors (see below), whose sum is σ = 773883102720. Its totient is φ = 81321433920.

The previous prime is 270991841867. The next prime is 270991841893. The reversal of 270991841868 is 868148199072.

270991841868 is a `hidden beast` number, since 2 + 70 + 9 + 91 + 8 + 418 + 68 = 666.

It is a super-2 number, since 2×270991841868² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (270991841867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 984955 + ... + 1229682.

It is an arithmetic number, because the mean of its divisors is an integer number (8061282320).

Almost surely, 2^270991841868 is an apocalyptic number.

It is an amenable number.

270991841868 is an abundant number, since it is smaller than the sum of its proper divisors (502891260852).

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

270991841868 is a wasteful number, since it uses less digits than its factorization.

270991841868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214764 (or 2214756 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 63.

The spelling of 270991841868 in words is "two hundred seventy billion, nine hundred ninety-one million, eight hundred forty-one thousand, eight hundred sixty-eight".