16560619053887 has 2 divisors, whose sum is σ = 16560619053888. Its totient is φ = 16560619053886.

The previous prime is 16560619053857. The next prime is 16560619053931. The reversal of 16560619053887 is 78835091606561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16560619053887 - 2⁸ = 16560619053631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16560619053857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8280309526943 + 8280309526944.

It is an arithmetic number, because the mean of its divisors is an integer number (8280309526944).

Almost surely, 2^{16560619053887} is an apocalyptic number.

16560619053887 is a deficient number, since it is larger than the sum of its proper divisors (1).

16560619053887 is an equidigital number, since it uses as much as digits as its factorization.

16560619053887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65318400, while the sum is 65.

The spelling of 16560619053887 in words is "sixteen trillion, five hundred sixty billion, six hundred nineteen million, fifty-three thousand, eight hundred eighty-seven".