16003144604 has 12 divisors (see below), whose sum is σ = 28014856128. Its totient is φ = 7998900000.

The previous prime is 16003144589. The next prime is 16003144621. The reversal of 16003144604 is 40644130061.

It is a super-2 number, since 2×16003144604² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654572 + ... + 678579.

It is an arithmetic number, because the mean of its divisors is an integer number (2334571344).

Almost surely, 2^16003144604 is an apocalyptic number.

It is an amenable number.

16003144604 is a deficient number, since it is larger than the sum of its proper divisors (12011711524).

16003144604 is a wasteful number, since it uses less digits than its factorization.

16003144604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336156 (or 1336154 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 16003144604 its reverse (40644130061), we get a palindrome (56647274665).

The spelling of 16003144604 in words is "sixteen billion, three million, one hundred forty-four thousand, six hundred four".