66130043253425 has 12 divisors (see below), whose sum is σ = 82051903007280. Its totient is φ = 52871357587920.

The previous prime is 66130043253367. The next prime is 66130043253431. The reversal of 66130043253425 is 52435234003166.

It is a happy number.

66130043253425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66130043253425 - 2²⁴ = 66130026476209 is a prime.

It is a super-2 number, since 2×66130043253425² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 816884087 + ... + 816965036.

It is an arithmetic number, because the mean of its divisors is an integer number (6837658583940).

Almost surely, 2^{66130043253425} is an apocalyptic number.

It is an amenable number.

66130043253425 is a deficient number, since it is larger than the sum of its proper divisors (15921859753855).

66130043253425 is a wasteful number, since it uses less digits than its factorization.

66130043253425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633850752 (or 1633850747 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 44.

The spelling of 66130043253425 in words is "sixty-six trillion, one hundred thirty billion, forty-three million, two hundred fifty-three thousand, four hundred twenty-five".