16516356404 has 12 divisors (see below), whose sum is σ = 30424867200. Its totient is φ = 7823537208.

The previous prime is 16516356403. The next prime is 16516356413. The reversal of 16516356404 is 40465361561.

It is a super-2 number, since 2×16516356404² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16516356403) 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, 108660164 + ... + 108660315.

It is an arithmetic number, because the mean of its divisors is an integer number (2535405600).

Almost surely, 2^16516356404 is an apocalyptic number.

It is an amenable number.

16516356404 is a deficient number, since it is larger than the sum of its proper divisors (13908510796).

16516356404 is a wasteful number, since it uses less digits than its factorization.

16516356404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217320502 (or 217320500 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 16516356404 in words is "sixteen billion, five hundred sixteen million, three hundred fifty-six thousand, four hundred four".