16104169 has 3 divisors (see below), whose sum is σ = 16108183. Its totient is φ = 16100156.

The previous prime is 16104167. The next prime is 16104197. The reversal of 16104169 is 96140161.

The square root of 16104169 is 4013.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 13505625 + 2598544 = 3675^2 + 1612^2 .

It is not a de Polignac number, because 16104169 - 2¹ = 16104167 is a prime.

It is a super-2 number, since 2×16104169² = 518688518361122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16104161) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2007 + ... + 6019.

Almost surely, 2^16104169 is an apocalyptic number.

16104169 is the 4013-rd square number.

16104169 is the 2007-th centered octagonal number.

It is an amenable number.

16104169 is a deficient number, since it is larger than the sum of its proper divisors (4014).

16104169 is an frugal number, since it uses more digits than its factorization.

16104169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8026 (or 4013 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The cubic root of 16104169 is about 252.5298804622.

Multiplying 16104169 by its product of nonzero digits (1296), we get a square (20871003024 = 144468²).

The spelling of 16104169 in words is "sixteen million, one hundred four thousand, one hundred sixty-nine".