66325263031244 has 36 divisors (see below), whose sum is σ = 135499781246760. Its totient is φ = 28323955719360.

The previous prime is 66325263031243. The next prime is 66325263031289. The reversal of 66325263031244 is 44213036252366.

It is not an unprimeable number, because it can be changed into a prime (66325263031243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 602069834 + ... + 602179985.

It is an arithmetic number, because the mean of its divisors is an integer number (3763882812410).

Almost surely, 2^{66325263031244} is an apocalyptic number.

It is an amenable number.

66325263031244 is an abundant number, since it is smaller than the sum of its proper divisors (69174518215516).

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

66325263031244 is a wasteful number, since it uses less digits than its factorization.

66325263031244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204250118 (or 1204250109 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 47.

The spelling of 66325263031244 in words is "sixty-six trillion, three hundred twenty-five billion, two hundred sixty-three million, thirty-one thousand, two hundred forty-four".