66052205000 has 80 divisors (see below), whose sum is σ = 161489306880. Its totient is φ = 25272104000.

The previous prime is 66052204951. The next prime is 66052205003. The reversal of 66052205000 is 50225066.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (66052205003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 172184 + ... + 402183.

It is an arithmetic number, because the mean of its divisors is an integer number (2018616336).

Almost surely, 2^66052205000 is an apocalyptic number.

It is an amenable number.

66052205000 is an abundant number, since it is smaller than the sum of its proper divisors (95437101880).

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

66052205000 is a wasteful number, since it uses less digits than its factorization.

66052205000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574416 (or 574397 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 66052205000 in words is "sixty-six billion, fifty-two million, two hundred five thousand".