16868567021835 has 16 divisors (see below), whose sum is σ = 27860342952960. Its totient is φ = 8706357172320.

The previous prime is 16868567021809. The next prime is 16868567021851. The reversal of 16868567021835 is 53812076586861.

It is not a de Polignac number, because 16868567021835 - 2²⁴ = 16868550244619 is a prime.

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, 18138243645 + ... + 18138244574.

It is an arithmetic number, because the mean of its divisors is an integer number (1741271434560).

Almost surely, 2^{16868567021835} is an apocalyptic number.

16868567021835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16868567021835 is a deficient number, since it is larger than the sum of its proper divisors (10991775931125).

16868567021835 is a wasteful number, since it uses less digits than its factorization.

16868567021835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36276488258.

The product of its (nonzero) digits is 116121600, while the sum is 66.

The spelling of 16868567021835 in words is "sixteen trillion, eight hundred sixty-eight billion, five hundred sixty-seven million, twenty-one thousand, eight hundred thirty-five".