2100166171712 has 28 divisors (see below), whose sum is σ = 4762876854720. Its totient is φ = 900071216256.

The previous prime is 2100166171703. The next prime is 2100166171721. The reversal of 2100166171712 is 2171716610012.

It is an interprime number because it is at equal distance from previous prime (2100166171703) and next prime (2100166171721).

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2343935012 + ... + 2343935907.

Almost surely, 2^{2100166171712} is an apocalyptic number.

It is an amenable number.

2100166171712 is an abundant number, since it is smaller than the sum of its proper divisors (2662710683008).

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

2100166171712 is an equidigital number, since it uses as much as digits as its factorization.

2100166171712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687870938 (or 4687870928 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 35.

The spelling of 2100166171712 in words is "two trillion, one hundred billion, one hundred sixty-six million, one hundred seventy-one thousand, seven hundred twelve".