66060217000 has 32 divisors (see below), whose sum is σ = 154580910120. Its totient is φ = 26424086400.

The previous prime is 66060216983. The next prime is 66060217009. The reversal of 66060217000 is 71206066.

It can be written as a sum of positive squares in 4 ways, for example, as 7398408196 + 58661808804 = 86014^2 + 242202^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 66060217000.

It is not an unprimeable number, because it can be changed into a prime (66060217009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33029109 + ... + 33031108.

Almost surely, 2^66060217000 is an apocalyptic number.

It is an amenable number.

66060217000 is an abundant number, since it is smaller than the sum of its proper divisors (88520693120).

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

66060217000 is a wasteful number, since it uses less digits than its factorization.

66060217000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66060238 (or 66060224 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The spelling of 66060217000 in words is "sixty-six billion, sixty million, two hundred seventeen thousand".