66130043253427 has 8 divisors (see below), whose sum is σ = 67570839478800. Its totient is φ = 64696397382240.

The previous prime is 66130043253367. The next prime is 66130043253431. The reversal of 66130043253427 is 72435234003166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66130043253427 - 2³¹ = 66127895769779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66130043253437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1787569849 + ... + 1787606842.

It is an arithmetic number, because the mean of its divisors is an integer number (8446354934850).

Almost surely, 2^{66130043253427} is an apocalyptic number.

66130043253427 is a deficient number, since it is larger than the sum of its proper divisors (1440796225373).

66130043253427 is a wasteful number, since it uses less digits than its factorization.

66130043253427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575177093.

The product of its (nonzero) digits is 2177280, while the sum is 46.

The spelling of 66130043253427 in words is "sixty-six trillion, one hundred thirty billion, forty-three million, two hundred fifty-three thousand, four hundred twenty-seven".