100881647268 has 24 divisors (see below), whose sum is σ = 243507425280. Its totient is φ = 32467656480.

The previous prime is 100881647267. The next prime is 100881647281. The reversal of 100881647268 is 862746188001.

It is a self number, because there is not a number n which added to its sum of digits gives 100881647268.

It is not an unprimeable number, because it can be changed into a prime (100881647263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144944548 + ... + 144945243.

It is an arithmetic number, because the mean of its divisors is an integer number (10146142720).

Almost surely, 2^100881647268 is an apocalyptic number.

It is an amenable number.

100881647268 is an abundant number, since it is smaller than the sum of its proper divisors (142625778012).

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

100881647268 is a wasteful number, since it uses less digits than its factorization.

100881647268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289889827 (or 289889825 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The spelling of 100881647268 in words is "one hundred billion, eight hundred eighty-one million, six hundred forty-seven thousand, two hundred sixty-eight".