16164123 has 4 divisors (see below), whose sum is σ = 21552168. Its totient is φ = 10776080.

The previous prime is 16164121. The next prime is 16164131. The reversal of 16164123 is 32146161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32146161 = 3 ⋅10715387.

It is a cyclic number.

It is not a de Polignac number, because 16164123 - 2¹ = 16164121 is a prime.

It is a super-2 number, since 2×16164123² = 522557744718258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16164093 and 16164102.

It is not an unprimeable number, because it can be changed into a prime (16164121) 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, 2694018 + ... + 2694023.

It is an arithmetic number, because the mean of its divisors is an integer number (5388042).

Almost surely, 2^16164123 is an apocalyptic number.

16164123 is a deficient number, since it is larger than the sum of its proper divisors (5388045).

16164123 is an equidigital number, since it uses as much as digits as its factorization.

16164123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388044.

The product of its digits is 864, while the sum is 24.

The square root of 16164123 is about 4020.4630330349. The cubic root of 16164123 is about 252.8428724339.

The spelling of 16164123 in words is "sixteen million, one hundred sixty-four thousand, one hundred twenty-three".