16537887768068 has 12 divisors (see below), whose sum is σ = 28941653887692. Its totient is φ = 8268843800160.

The previous prime is 16537887768067. The next prime is 16537887768079. The reversal of 16537887768068 is 86086778873561.

16537887768068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13410302592064 + 3127585176004 = 3662008^2 + 1768498^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16537887767983 and 16537887768001.

It is not an unprimeable number, because it can be changed into a prime (16537887768067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24648563 + ... + 25310618.

It is an arithmetic number, because the mean of its divisors is an integer number (2411804490641).

Almost surely, 2^{16537887768068} is an apocalyptic number.

It is an amenable number.

16537887768068 is a deficient number, since it is larger than the sum of its proper divisors (12403766119624).

16537887768068 is a wasteful number, since it uses less digits than its factorization.

16537887768068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50041942 (or 50041940 counting only the distinct ones).

The product of its (nonzero) digits is 4551966720, while the sum is 80.

The spelling of 16537887768068 in words is "sixteen trillion, five hundred thirty-seven billion, eight hundred eighty-seven million, seven hundred sixty-eight thousand, sixty-eight".