20066125166 has 8 divisors (see below), whose sum is σ = 30113616240. Its totient is φ = 10028253088.

The previous prime is 20066125111. The next prime is 20066125181. The reversal of 20066125166 is 66152166002.

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

It is a congruent number.

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, 2399531 + ... + 2407878.

It is an arithmetic number, because the mean of its divisors is an integer number (3764202030).

Almost surely, 2^20066125166 is an apocalyptic number.

20066125166 is a deficient number, since it is larger than the sum of its proper divisors (10047491074).

20066125166 is a wasteful number, since it uses less digits than its factorization.

20066125166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4809498.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 20066125166 in words is "twenty billion, sixty-six million, one hundred twenty-five thousand, one hundred sixty-six".