66348298563 has 8 divisors (see below), whose sum is σ = 88465616400. Its totient is φ = 44231589888.

The previous prime is 66348298561. The next prime is 66348298573. The reversal of 66348298563 is 36589284366.

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

It is not a de Polignac number, because 66348298563 - 2¹ = 66348298561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66348298497 and 66348298506.

It is not an unprimeable number, because it can be changed into a prime (66348298561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265923 + ... + 451011.

It is an arithmetic number, because the mean of its divisors is an integer number (11058202050).

Almost surely, 2^66348298563 is an apocalyptic number.

66348298563 is a deficient number, since it is larger than the sum of its proper divisors (22117317837).

66348298563 is a wasteful number, since it uses less digits than its factorization.

66348298563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304581.

The product of its digits is 44789760, while the sum is 60.

The spelling of 66348298563 in words is "sixty-six billion, three hundred forty-eight million, two hundred ninety-eight thousand, five hundred sixty-three".