16798941521720 has 16 divisors (see below), whose sum is σ = 37797618423960. Its totient is φ = 6719576608672.

The previous prime is 16798941521683. The next prime is 16798941521723. The reversal of 16798941521720 is 2712514989761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16798941521723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209986768982 + ... + 209986769061.

Almost surely, 2^{16798941521720} is an apocalyptic number.

16798941521720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16798941521720 is an abundant number, since it is smaller than the sum of its proper divisors (20998676902240).

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

16798941521720 is a wasteful number, since it uses less digits than its factorization.

16798941521720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419973538054 (or 419973538050 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 62.

The spelling of 16798941521720 in words is "sixteen trillion, seven hundred ninety-eight billion, nine hundred forty-one million, five hundred twenty-one thousand, seven hundred twenty".