16868533687042 has 32 divisors (see below), whose sum is σ = 26591823764352. Its totient is φ = 8015221154304.

The previous prime is 16868533687037. The next prime is 16868533687087. The reversal of 16868533687042 is 24078633586861.

16868533687042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140765883 + ... + 140885665.

It is an arithmetic number, because the mean of its divisors is an integer number (830994492636).

Almost surely, 2^{16868533687042} is an apocalyptic number.

16868533687042 is a deficient number, since it is larger than the sum of its proper divisors (9723290077310).

16868533687042 is a wasteful number, since it uses less digits than its factorization.

16868533687042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164122.

The product of its (nonzero) digits is 278691840, while the sum is 67.

The spelling of 16868533687042 in words is "sixteen trillion, eight hundred sixty-eight billion, five hundred thirty-three million, six hundred eighty-seven thousand, forty-two".