66006120000 has 280 divisors, whose sum is σ = 218843022816. Its totient is φ = 17552384000.

The previous prime is 66006119983. The next prime is 66006120029. The reversal of 66006120000 is 2160066.

66006120000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 67559512 + ... + 67560488.

Almost surely, 2^66006120000 is an apocalyptic number.

66006120000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66006120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109421511408).

66006120000 is an abundant number, since it is smaller than the sum of its proper divisors (152836902816).

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

66006120000 is an equidigital number, since it uses as much as digits as its factorization.

66006120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 66006120000 its reverse (2160066), we get a palindrome (66008280066).

The spelling of 66006120000 in words is "sixty-six billion, six million, one hundred twenty thousand".