16681035600004 has 24 divisors (see below), whose sum is σ = 29465389554048. Its totient is φ = 8262356873760.

The previous prime is 16681035599953. The next prime is 16681035600007. The reversal of 16681035600004 is 40000653018661.

16681035600004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 16681035600004.

It is not an unprimeable number, because it can be changed into a prime (16681035600007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16892862 + ... + 17853034.

It is an arithmetic number, because the mean of its divisors is an integer number (1227724564752).

Almost surely, 2^{16681035600004} is an apocalyptic number.

It is an amenable number.

16681035600004 is a deficient number, since it is larger than the sum of its proper divisors (12784353954044).

16681035600004 is a wasteful number, since it uses less digits than its factorization.

16681035600004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000875 (or 1000873 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

Adding to 16681035600004 its reverse (40000653018661), we get a palindrome (56681688618665).

The spelling of 16681035600004 in words is "sixteen trillion, six hundred eighty-one billion, thirty-five million, six hundred thousand, four".