16868443737756 has 48 divisors (see below), whose sum is σ = 42388017184800. Its totient is φ = 5190211310592.

The previous prime is 16868443737731. The next prime is 16868443737791. The reversal of 16868443737756 is 65773734486861.

It is a super-2 number, since 2×16868443737756² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 9894880 + ... + 11473688.

It is an arithmetic number, because the mean of its divisors is an integer number (883083691350).

Almost surely, 2^{16868443737756} is an apocalyptic number.

It is an amenable number.

16868443737756 is an abundant number, since it is smaller than the sum of its proper divisors (25519573447044).

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

16868443737756 is a wasteful number, since it uses less digits than its factorization.

16868443737756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647318 (or 1647316 counting only the distinct ones).

The product of its digits is 3413975040, while the sum is 75.

The spelling of 16868443737756 in words is "sixteen trillion, eight hundred sixty-eight billion, four hundred forty-three million, seven hundred thirty-seven thousand, seven hundred fifty-six".