100947288566 has 64 divisors (see below), whose sum is σ = 167911444800. Its totient is φ = 45317615616.

The previous prime is 100947288551. The next prime is 100947288601. The reversal of 100947288566 is 665882749001.

It is a happy number.

100947288566 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17741450 + ... + 17747138.

It is an arithmetic number, because the mean of its divisors is an integer number (2623616325).

Almost surely, 2^100947288566 is an apocalyptic number.

100947288566 is a deficient number, since it is larger than the sum of its proper divisors (66964156234).

100947288566 is a wasteful number, since it uses less digits than its factorization.

100947288566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6033.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 100947288566 in words is "one hundred billion, nine hundred forty-seven million, two hundred eighty-eight thousand, five hundred sixty-six".