16797920108780 has 24 divisors (see below), whose sum is σ = 35351168933808. Its totient is φ = 6704780099648.

The previous prime is 16797920108779. The next prime is 16797920108791. The reversal of 16797920108780 is 8780102979761.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899236919 + ... + 899255598.

It is an arithmetic number, because the mean of its divisors is an integer number (1472965372242).

Almost surely, 2^{16797920108780} is an apocalyptic number.

16797920108780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16797920108780 is an abundant number, since it is smaller than the sum of its proper divisors (18553248825028).

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

16797920108780 is a wasteful number, since it uses less digits than its factorization.

16797920108780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798492993 (or 1798492991 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 65.

The spelling of 16797920108780 in words is "sixteen trillion, seven hundred ninety-seven billion, nine hundred twenty million, one hundred eight thousand, seven hundred eighty".