66130043253625 has 32 divisors (see below), whose sum is σ = 88886331555840. Its totient is φ = 48830343249600.

The previous prime is 66130043253551. The next prime is 66130043253647. The reversal of 66130043253625 is 52635234003166.

66130043253625 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66130043253625 - 2¹⁷ = 66130043122553 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17463016 + ... + 20909734.

It is an arithmetic number, because the mean of its divisors is an integer number (2777697861120).

Almost surely, 2^{66130043253625} is an apocalyptic number.

66130043253625 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

66130043253625 is a deficient number, since it is larger than the sum of its proper divisors (22756288302215).

66130043253625 is a wasteful number, since it uses less digits than its factorization.

66130043253625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458554 (or 3458544 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 46.

The spelling of 66130043253625 in words is "sixty-six trillion, one hundred thirty billion, forty-three million, two hundred fifty-three thousand, six hundred twenty-five".