16853381826 has 16 divisors (see below), whose sum is σ = 33767285184. Its totient is φ = 5607707024.

The previous prime is 16853381771. The next prime is 16853381827. The reversal of 16853381826 is 62818335861.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16853381827) 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, 2518110 + ... + 2524793.

It is an arithmetic number, because the mean of its divisors is an integer number (2110455324).

Almost surely, 2^16853381826 is an apocalyptic number.

16853381826 is an abundant number, since it is smaller than the sum of its proper divisors (16913903358).

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

16853381826 is a wasteful number, since it uses less digits than its factorization.

16853381826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5043465.

The product of its digits is 1658880, while the sum is 51.

The spelling of 16853381826 in words is "sixteen billion, eight hundred fifty-three million, three hundred eighty-one thousand, eight hundred twenty-six".