16078255155656 has 8 divisors (see below), whose sum is σ = 30146728416870. Its totient is φ = 8039127577824.

The previous prime is 16078255155593. The next prime is 16078255155709. The reversal of 16078255155656 is 65655155287061.

It can be written as a sum of positive squares in only one way, i.e., 14715586488100 + 1362668667556 = 3836090^2 + 1167334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004890947221 + ... + 1004890947236.

Almost surely, 2^{16078255155656} is an apocalyptic number.

It is an amenable number.

16078255155656 is a deficient number, since it is larger than the sum of its proper divisors (14068473261214).

16078255155656 is a wasteful number, since it uses less digits than its factorization.

16078255155656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009781894463 (or 2009781894459 counting only the distinct ones).

The product of its (nonzero) digits is 75600000, while the sum is 62.

The spelling of 16078255155656 in words is "sixteen trillion, seventy-eight billion, two hundred fifty-five million, one hundred fifty-five thousand, six hundred fifty-six".