6666062120 has 16 divisors (see below), whose sum is σ = 14998639860. Its totient is φ = 2666424832.

The previous prime is 6666062093. The next prime is 6666062149. The reversal of 6666062120 is 212606666.

It can be written as a sum of positive squares in 2 ways, for example, as 5402544004 + 1263518116 = 73502^2 + 35546^2 .

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, 83325737 + ... + 83325816.

Almost surely, 2^6666062120 is an apocalyptic number.

It is an amenable number.

6666062120 is an abundant number, since it is smaller than the sum of its proper divisors (8332577740).

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

6666062120 is a wasteful number, since it uses less digits than its factorization.

6666062120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166651564 (or 166651560 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 6666062120 is about 81645.9559316933. The cubic root of 6666062120 is about 1882.0151660229.

Adding to 6666062120 its reverse (212606666), we get a palindrome (6878668786).

The spelling of 6666062120 in words is "six billion, six hundred sixty-six million, sixty-two thousand, one hundred twenty".