66035200000 has 624 divisors, whose sum is σ = 208857132288. Its totient is φ = 20275200000.

The previous prime is 66035199991. The next prime is 66035200031. The reversal of 66035200000 is 253066.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 985599967 + ... + 985600033.

Almost surely, 2^66035200000 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 66035200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104428566144).

66035200000 is an abundant number, since it is smaller than the sum of its proper divisors (142821932288).

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

66035200000 is an frugal number, since it uses more digits than its factorization.

66035200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 66035200000 its reverse (253066), we get a palindrome (66035453066).

The spelling of 66035200000 in words is "sixty-six billion, thirty-five million, two hundred thousand".