100666522105 has 8 divisors (see below), whose sum is σ = 120855739464. Its totient is φ = 80495942400.

The previous prime is 100666522079. The next prime is 100666522111. The reversal of 100666522105 is 501225666001.

It can be written as a sum of positive squares in 4 ways, for example, as 45729256336 + 54937265769 = 213844^2 + 234387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-100666522105 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4647526 + ... + 4669135.

It is an arithmetic number, because the mean of its divisors is an integer number (15106967433).

Almost surely, 2^100666522105 is an apocalyptic number.

It is an amenable number.

100666522105 is a deficient number, since it is larger than the sum of its proper divisors (20189217359).

100666522105 is an equidigital number, since it uses as much as digits as its factorization.

100666522105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9318827.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 100666522105 in words is "one hundred billion, six hundred sixty-six million, five hundred twenty-two thousand, one hundred five".