66560353053 has 16 divisors (see below), whose sum is σ = 91616985600. Its totient is φ = 42938864640.

The previous prime is 66560353051. The next prime is 66560353061. The reversal of 66560353053 is 35035306566.

It is not a de Polignac number, because 66560353053 - 2¹ = 66560353051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66560352996 and 66560353014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66560353051) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1951813 + ... + 1985621.

It is an arithmetic number, because the mean of its divisors is an integer number (5726061600).

Almost surely, 2^66560353053 is an apocalyptic number.

It is an amenable number.

66560353053 is a deficient number, since it is larger than the sum of its proper divisors (25056632547).

66560353053 is a wasteful number, since it uses less digits than its factorization.

66560353053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55012.

The product of its (nonzero) digits is 729000, while the sum is 42.

The spelling of 66560353053 in words is "sixty-six billion, five hundred sixty million, three hundred fifty-three thousand, fifty-three".