60668817563 has 4 divisors (see below), whose sum is σ = 61813512288. Its totient is φ = 59524122840.

The previous prime is 60668817557. The next prime is 60668817581. The reversal of 60668817563 is 36571886606.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36571886606 = 2 ⋅18285943303.

It is a cyclic number.

It is not a de Polignac number, because 60668817563 - 2¹⁰ = 60668816539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 60668817499 and 60668817508.

It is not an unprimeable number, because it can be changed into a prime (60668817533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572347283 + ... + 572347388.

It is an arithmetic number, because the mean of its divisors is an integer number (15453378072).

Almost surely, 2^60668817563 is an apocalyptic number.

60668817563 is a deficient number, since it is larger than the sum of its proper divisors (1144694725).

60668817563 is a wasteful number, since it uses less digits than its factorization.

60668817563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144694724.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 60668817563 in words is "sixty billion, six hundred sixty-eight million, eight hundred seventeen thousand, five hundred sixty-three".