2107166910228 has 36 divisors (see below), whose sum is σ = 5332110189588. Its totient is φ = 701642530560.

The previous prime is 2107166910227. The next prime is 2107166910281. The reversal of 2107166910228 is 8220196617012.

2107166910228 is a `hidden beast` number, since 210 + 71 + 66 + 91 + 0 + 228 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 569695867524 + 1537471042704 = 754782^2 + 1239948^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2107166910228² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2107166910227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31067301 + ... + 31135052.

It is an arithmetic number, because the mean of its divisors is an integer number (148114171933).

Almost surely, 2^{2107166910228} is an apocalyptic number.

It is an amenable number.

2107166910228 is an abundant number, since it is smaller than the sum of its proper divisors (3224943279360).

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

2107166910228 is a wasteful number, since it uses less digits than its factorization.

2107166910228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62203304 (or 62203299 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 2107166910228 in words is "two trillion, one hundred seven billion, one hundred sixty-six million, nine hundred ten thousand, two hundred twenty-eight".