66060563 has 2 divisors, whose sum is σ = 66060564. Its totient is φ = 66060562.

The previous prime is 66060559. The next prime is 66060583. The reversal of 66060563 is 36506066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66060563 - 2² = 66060559 is a prime.

It is not a weakly prime, because it can be changed into another prime (66060583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33030281 + 33030282.

It is an arithmetic number, because the mean of its divisors is an integer number (33030282).

Almost surely, 2^66060563 is an apocalyptic number.

66060563 is a deficient number, since it is larger than the sum of its proper divisors (1).

66060563 is an equidigital number, since it uses as much as digits as its factorization.

66060563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 66060563 is about 8127.7649449280. The cubic root of 66060563 is about 404.2475751910.

The spelling of 66060563 in words is "sixty-six million, sixty thousand, five hundred sixty-three".