20166866102 has 8 divisors (see below), whose sum is σ = 30258550512. Its totient is φ = 10080682600.

The previous prime is 20166866101. The next prime is 20166866119.

20166866102 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20166866101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366049 + ... + 1380732.

It is an arithmetic number, because the mean of its divisors is an integer number (3782318814).

Almost surely, 2^20166866102 is an apocalyptic number.

20166866102 is a deficient number, since it is larger than the sum of its proper divisors (10091684410).

20166866102 is a wasteful number, since it uses less digits than its factorization.

20166866102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750454.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 20166866102 in words is "twenty billion, one hundred sixty-six million, eight hundred sixty-six thousand, one hundred two".