16018804432 has 10 divisors (see below), whose sum is σ = 31036433618. Its totient is φ = 8009402208.

The previous prime is 16018804423. The next prime is 16018804433. The reversal of 16018804432 is 23440881061.

It can be written as a sum of positive squares in only one way, i.e., 8518551616 + 7500252816 = 92296^2 + 86604^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16018804391 and 16018804400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16018804433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500587623 + ... + 500587654.

Almost surely, 2^16018804432 is an apocalyptic number.

It is an amenable number.

16018804432 is a deficient number, since it is larger than the sum of its proper divisors (15017629186).

16018804432 is a wasteful number, since it uses less digits than its factorization.

16018804432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001175285 (or 1001175279 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 16018804432 in words is "sixteen billion, eighteen million, eight hundred four thousand, four hundred thirty-two".