16817800043740 has 48 divisors (see below), whose sum is σ = 35348918220000. Its totient is φ = 6721114804992.

The previous prime is 16817800043683. The next prime is 16817800043753. The reversal of 16817800043740 is 4734000871861.

It is a super-2 number, since 2×16817800043740² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137757046 + ... + 137879074.

It is an arithmetic number, because the mean of its divisors is an integer number (736435796250).

Almost surely, 2^{16817800043740} is an apocalyptic number.

16817800043740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16817800043740 is an abundant number, since it is smaller than the sum of its proper divisors (18531118176260).

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

16817800043740 is a wasteful number, since it uses less digits than its factorization.

16817800043740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128134 (or 128132 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 16817800043740 in words is "sixteen trillion, eight hundred seventeen billion, eight hundred million, forty-three thousand, seven hundred forty".