16844064426 has 64 divisors (see below), whose sum is σ = 42962400000. Its totient is φ = 4791909888.

The previous prime is 16844064401. The next prime is 16844064463. The reversal of 16844064426 is 62446044861.

16844064426 is a `hidden beast` number, since 168 + 4 + 4 + 0 + 64 + 426 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7551 + ... + 183698.

It is an arithmetic number, because the mean of its divisors is an integer number (671287500).

Almost surely, 2^16844064426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16844064426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21481200000).

16844064426 is an abundant number, since it is smaller than the sum of its proper divisors (26118335574).

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

16844064426 is a wasteful number, since it uses less digits than its factorization.

16844064426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191500 (or 191494 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 45.

The spelling of 16844064426 in words is "sixteen billion, eight hundred forty-four million, sixty-four thousand, four hundred twenty-six".