18869766796881 has 192 divisors, whose sum is σ = 38352063859200. Its totient is φ = 8803879580160.

The previous prime is 18869766796871. The next prime is 18869766796913.

18869766796881 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 18869766796881 - 2¹⁴ = 18869766780497 is a prime.

It is a super-2 number, since 2×18869766796881² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18869766796791 and 18869766796800.

It is not an unprimeable number, because it can be changed into a prime (18869766796831) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 15755671 + ... + 16910963.

It is an arithmetic number, because the mean of its divisors is an integer number (199750332600).

Almost surely, 2^{18869766796881} is an apocalyptic number.

18869766796881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18869766796881 is an abundant number, since it is smaller than the sum of its proper divisors (19482297062319).

18869766796881 is a wasteful number, since it uses less digits than its factorization.

18869766796881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155381 (or 1155364 counting only the distinct ones).

The product of its digits is 21069103104, while the sum is 90.

The spelling of 18869766796881 in words is "eighteen trillion, eight hundred sixty-nine billion, seven hundred sixty-six million, seven hundred ninety-six thousand, eight hundred eighty-one".