16798057560 has 512 divisors, whose sum is σ = 59719680000. Its totient is φ = 4195376640.

The previous prime is 16798057553. The next prime is 16798057571. The reversal of 16798057560 is 6575089761.

16798057560 is a `hidden beast` number, since 1 + 6 + 7 + 9 + 8 + 0 + 575 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 16798057497 and 16798057506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 212633601 + ... + 212633679.

It is an arithmetic number, because the mean of its divisors is an integer number (116640000).

Almost surely, 2^16798057560 is an apocalyptic number.

16798057560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16798057560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29859840000).

16798057560 is an abundant number, since it is smaller than the sum of its proper divisors (42921622440).

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

16798057560 is a wasteful number, since it uses less digits than its factorization.

16798057560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 54.

The spelling of 16798057560 in words is "sixteen billion, seven hundred ninety-eight million, fifty-seven thousand, five hundred sixty".