18796366369781 has 48 divisors (see below), whose sum is σ = 25690703855040. Its totient is φ = 13518304773120.

The previous prime is 18796366369751. The next prime is 18796366369801.

18796366369781 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 18796366369781 - 2¹⁰ = 18796366368757 is a prime.

It is a super-2 number, since 2×18796366369781² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18796366369696 and 18796366369705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18796366369741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62415290 + ... + 62715716.

It is an arithmetic number, because the mean of its divisors is an integer number (535222996980).

Almost surely, 2^{18796366369781} is an apocalyptic number.

18796366369781 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18796366369781 is a deficient number, since it is larger than the sum of its proper divisors (6894337485259).

18796366369781 is a wasteful number, since it uses less digits than its factorization.

18796366369781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309394 (or 309387 counting only the distinct ones).

The product of its digits is 2962842624, while the sum is 80.

The spelling of 18796366369781 in words is "eighteen trillion, seven hundred ninety-six billion, three hundred sixty-six million, three hundred sixty-nine thousand, seven hundred eighty-one".