16116404 has 12 divisors (see below), whose sum is σ = 29113728. Its totient is φ = 7798200.

The previous prime is 16116379. The next prime is 16116407. The reversal of 16116404 is 40461161.

It is a self number, because there is not a number n which added to its sum of digits gives 16116404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16116407) 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, 64862 + ... + 65109.

It is an arithmetic number, because the mean of its divisors is an integer number (2426144).

Almost surely, 2^16116404 is an apocalyptic number.

It is an amenable number.

16116404 is a deficient number, since it is larger than the sum of its proper divisors (12997324).

16116404 is a wasteful number, since it uses less digits than its factorization.

16116404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130006 (or 130004 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 16116404 is about 4014.5241312016. The cubic root of 16116404 is about 252.5938167211.

Adding to 16116404 its reverse (40461161), we get a palindrome (56577565).

The spelling of 16116404 in words is "sixteen million, one hundred sixteen thousand, four hundred four".