66630452455000 has 320 divisors, whose sum is σ = 181148328979200. Its totient is φ = 22495302720000.

The previous prime is 66630452454967. The next prime is 66630452455003. The reversal of 66630452455000 is 55425403666.

66630452455000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66630452455003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11774242171 + ... + 11774247829.

It is an arithmetic number, because the mean of its divisors is an integer number (566088528060).

Almost surely, 2^{66630452455000} 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 66630452455000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90574164489600).

66630452455000 is an abundant number, since it is smaller than the sum of its proper divisors (114517876524200).

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

66630452455000 is a wasteful number, since it uses less digits than its factorization.

66630452455000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10780 (or 10761 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 46.

Adding to 66630452455000 its reverse (55425403666), we get a palindrome (66685877858666).

The spelling of 66630452455000 in words is "sixty-six trillion, six hundred thirty billion, four hundred fifty-two million, four hundred fifty-five thousand".