16003363844 has 48 divisors (see below), whose sum is σ = 31488707712. Its totient is φ = 7061167872.

The previous prime is 16003363843. The next prime is 16003363903. The reversal of 16003363844 is 44836330061.

It is a super-2 number, since 2×16003363844² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16003363798 and 16003363807.

It is not an unprimeable number, because it can be changed into a prime (16003363843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4355192 + ... + 4358864.

It is an arithmetic number, because the mean of its divisors is an integer number (656014744).

Almost surely, 2^16003363844 is an apocalyptic number.

It is an amenable number.

16003363844 is a deficient number, since it is larger than the sum of its proper divisors (15485343868).

16003363844 is a wasteful number, since it uses less digits than its factorization.

16003363844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7356 (or 7354 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 16003363844 in words is "sixteen billion, three million, three hundred sixty-three thousand, eight hundred forty-four".