66641300200530 has 48 divisors (see below), whose sum is σ = 189018960571584. Its totient is φ = 16155466715040.

The previous prime is 66641300200481. The next prime is 66641300200589. The reversal of 66641300200530 is 3500200314666.

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, 33657221334 + ... + 33657223313.

It is an arithmetic number, because the mean of its divisors is an integer number (3937895011908).

Almost surely, 2^{66641300200530} is an apocalyptic number.

66641300200530 is an abundant number, since it is smaller than the sum of its proper divisors (122377660371054).

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

66641300200530 is a wasteful number, since it uses less digits than its factorization.

66641300200530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67314444671 (or 67314444668 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 66641300200530 in words is "sixty-six trillion, six hundred forty-one billion, three hundred million, two hundred thousand, five hundred thirty".