66130443065533 has 8 divisors (see below), whose sum is σ = 82448344601280. Its totient is φ = 51530215375680.

The previous prime is 66130443065527. The next prime is 66130443065563. The reversal of 66130443065533 is 33556034403166.

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 66130443065533 - 2⁴¹ = 63931419809981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66130443065563) 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, 429418461388 + ... + 429418461541.

It is an arithmetic number, because the mean of its divisors is an integer number (10306043075160).

Almost surely, 2^{66130443065533} is an apocalyptic number.

It is an amenable number.

66130443065533 is a deficient number, since it is larger than the sum of its proper divisors (16317901535747).

66130443065533 is a wasteful number, since it uses less digits than its factorization.

66130443065533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858836922947.

The product of its (nonzero) digits is 6998400, while the sum is 49.

Adding to 66130443065533 its reverse (33556034403166), we get a palindrome (99686477468699).

The spelling of 66130443065533 in words is "sixty-six trillion, one hundred thirty billion, four hundred forty-three million, sixty-five thousand, five hundred thirty-three".