16123169 has 4 divisors (see below), whose sum is σ = 16134960. Its totient is φ = 16111380.

The previous prime is 16123147. The next prime is 16123199. The reversal of 16123169 is 96132161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16123169 is a prime.

It is a super-2 number, since 2×16123169² = 519913157205122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16123199) 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, 3527 + ... + 6684.

It is an arithmetic number, because the mean of its divisors is an integer number (4033740).

Almost surely, 2^16123169 is an apocalyptic number.

It is an amenable number.

16123169 is a deficient number, since it is larger than the sum of its proper divisors (11791).

16123169 is a wasteful number, since it uses less digits than its factorization.

16123169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11790.

The product of its digits is 1944, while the sum is 29.

The square root of 16123169 is about 4015.3666084182. The cubic root of 16123169 is about 252.6291545904.

The spelling of 16123169 in words is "sixteen million, one hundred twenty-three thousand, one hundred sixty-nine".