16517162056605 has 32 divisors (see below), whose sum is σ = 30653598849024. Its totient is φ = 7438005596736.

The previous prime is 16517162056601. The next prime is 16517162056621. The reversal of 16517162056605 is 50665026171561.

It is not a de Polignac number, because 16517162056605 - 2² = 16517162056601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16517162056601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1173920617 + ... + 1173934686.

It is an arithmetic number, because the mean of its divisors is an integer number (957924964032).

Almost surely, 2^{16517162056605} is an apocalyptic number.

16517162056605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16517162056605 is a deficient number, since it is larger than the sum of its proper divisors (14136436792419).

16517162056605 is a wasteful number, since it uses less digits than its factorization.

16517162056605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347855385.

The product of its (nonzero) digits is 2268000, while the sum is 51.

The spelling of 16517162056605 in words is "sixteen trillion, five hundred seventeen billion, one hundred sixty-two million, fifty-six thousand, six hundred five".