4166666688905 has 32 divisors (see below), whose sum is σ = 5744832284160. Its totient is φ = 2841904074240.

The previous prime is 4166666688871. The next prime is 4166666688917. The reversal of 4166666688905 is 5098866666614.

It is not a de Polignac number, because 4166666688905 - 2¹⁴ = 4166666672521 is a prime.

It is a super-2 number, since 2×4166666688905² (a number of 26 digits) contains 22 as substring.

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, 5450420 + ... + 6167690.

It is an arithmetic number, because the mean of its divisors is an integer number (179526008880).

Almost surely, 2^{4166666688905} is an apocalyptic number.

It is an amenable number.

4166666688905 is a deficient number, since it is larger than the sum of its proper divisors (1578165595255).

4166666688905 is a wasteful number, since it uses less digits than its factorization.

4166666688905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718169.

The product of its (nonzero) digits is 537477120, while the sum is 71.

The spelling of 4166666688905 in words is "four trillion, one hundred sixty-six billion, six hundred sixty-six million, six hundred eighty-eight thousand, nine hundred five".