16306821404 has 12 divisors (see below), whose sum is σ = 28551016200. Its totient is φ = 8149388208.

The previous prime is 16306821403. The next prime is 16306821437. The reversal of 16306821404 is 40412860361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16306821403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 996494 + ... + 1012725.

It is an arithmetic number, because the mean of its divisors is an integer number (2379251350).

Almost surely, 2^16306821404 is an apocalyptic number.

It is an amenable number.

16306821404 is a deficient number, since it is larger than the sum of its proper divisors (12244194796).

16306821404 is a wasteful number, since it uses less digits than its factorization.

16306821404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011252 (or 2011250 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 16306821404 in words is "sixteen billion, three hundred six million, eight hundred twenty-one thousand, four hundred four".