66335031116200 has 192 divisors, whose sum is σ = 196975331521920. Its totient is φ = 20171564544000.

The previous prime is 66335031116183. The next prime is 66335031116201. The reversal of 66335031116200 is 261113053366.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 66335031116200.

It is not an unprimeable number, because it can be changed into a prime (66335031116201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51898717 + ... + 53161516.

It is an arithmetic number, because the mean of its divisors is an integer number (1025913185010).

Almost surely, 2^{66335031116200} is an apocalyptic number.

It is an amenable number.

66335031116200 is an abundant number, since it is smaller than the sum of its proper divisors (130640300405720).

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

66335031116200 is a wasteful number, since it uses less digits than its factorization.

66335031116200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105060308 (or 105060299 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

Adding to 66335031116200 its reverse (261113053366), we get a palindrome (66596144169566).

The spelling of 66335031116200 in words is "sixty-six trillion, three hundred thirty-five billion, thirty-one million, one hundred sixteen thousand, two hundred".