16105604 has 6 divisors (see below), whose sum is σ = 28184814. Its totient is φ = 8052800.

The previous prime is 16105591. The next prime is 16105633. The reversal of 16105604 is 40650161.

It can be written as a sum of positive squares in only one way, i.e., 12264004 + 3841600 = 3502^2 + 1960^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16105604.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2013197 + ... + 2013204.

It is an arithmetic number, because the mean of its divisors is an integer number (4697469).

Almost surely, 2^16105604 is an apocalyptic number.

It is an amenable number.

16105604 is a deficient number, since it is larger than the sum of its proper divisors (12079210).

16105604 is a wasteful number, since it uses less digits than its factorization.

16105604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026405 (or 4026403 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 16105604 is about 4013.1787899370. The cubic root of 16105604 is about 252.5373809964.

Adding to 16105604 its reverse (40650161), we get a palindrome (56755765).

The spelling of 16105604 in words is "sixteen million, one hundred five thousand, six hundred four".