1685027868126 has 32 divisors (see below), whose sum is σ = 3458319732000. Its totient is φ = 547013445120.

The previous prime is 1685027868113. The next prime is 1685027868127. The reversal of 1685027868126 is 6218687205861.

It is a super-2 number, since 2×1685027868126² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1685027868126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685027868127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5879101 + ... + 6159048.

It is an arithmetic number, because the mean of its divisors is an integer number (108072491625).

Almost surely, 2^{1685027868126} is an apocalyptic number.

1685027868126 is an abundant number, since it is smaller than the sum of its proper divisors (1773291863874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1685027868126 is a wasteful number, since it uses less digits than its factorization.

1685027868126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12038764.

The product of its (nonzero) digits is 15482880, while the sum is 60.

The spelling of 1685027868126 in words is "one trillion, six hundred eighty-five billion, twenty-seven million, eight hundred sixty-eight thousand, one hundred twenty-six".