66242001200 has 120 divisors (see below), whose sum is σ = 162498380688. Its totient is φ = 25944432640.

The previous prime is 66242001149. The next prime is 66242001227. The reversal of 66242001200 is 210024266.

66242001200 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 23 ways as a sum of consecutive naturals, for example, 3742772 + ... + 3760428.

Almost surely, 2^66242001200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66242001200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81249190344).

66242001200 is an abundant number, since it is smaller than the sum of its proper divisors (96256379488).

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

66242001200 is a wasteful number, since it uses less digits than its factorization.

66242001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17871 (or 17860 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 66242001200 its reverse (210024266), we get a palindrome (66452025466).

The spelling of 66242001200 in words is "sixty-six billion, two hundred forty-two million, one thousand, two hundred".