16216404604 has 12 divisors (see below), whose sum is σ = 28379925000. Its totient is φ = 8107854608.

The previous prime is 16216404553. The next prime is 16216404661. The reversal of 16216404604 is 40640461261.

It is a self number, because there is not a number n which added to its sum of digits gives 16216404604.

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, 37947 + ... + 184045.

It is an arithmetic number, because the mean of its divisors is an integer number (2364993750).

Almost surely, 2^16216404604 is an apocalyptic number.

It is an amenable number.

16216404604 is a deficient number, since it is larger than the sum of its proper divisors (12163520396).

16216404604 is a wasteful number, since it uses less digits than its factorization.

16216404604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173852 (or 173850 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 16216404604 its reverse (40640461261), we get a palindrome (56856865865).

The spelling of 16216404604 in words is "sixteen billion, two hundred sixteen million, four hundred four thousand, six hundred four".