16055565156657 has 48 divisors (see below), whose sum is σ = 25418562624000. Its totient is φ = 9706257475200.

The previous prime is 16055565156637. The next prime is 16055565156703. The reversal of 16055565156657 is 75665156555061.

16055565156657 is a `hidden beast` number, since 1 + 6 + 0 + 5 + 5 + 5 + 6 + 515 + 66 + 57 = 666.

It is not a de Polignac number, because 16055565156657 - 2⁶ = 16055565156593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16055565156594 and 16055565156603.

It is not an unprimeable number, because it can be changed into a prime (16055565156637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2525094 + ... + 6203807.

It is an arithmetic number, because the mean of its divisors is an integer number (529553388000).

Almost surely, 2^{16055565156657} is an apocalyptic number.

It is an amenable number.

16055565156657 is a deficient number, since it is larger than the sum of its proper divisors (9362997467343).

16055565156657 is a wasteful number, since it uses less digits than its factorization.

16055565156657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8729198 (or 8729195 counting only the distinct ones).

The product of its (nonzero) digits is 141750000, while the sum is 63.

The spelling of 16055565156657 in words is "sixteen trillion, fifty-five billion, five hundred sixty-five million, one hundred fifty-six thousand, six hundred fifty-seven".