16616123 has 8 divisors (see below), whose sum is σ = 17632800. Its totient is φ = 15603840.

The previous prime is 16616113. The next prime is 16616129. The reversal of 16616123 is 32161661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16616123 - 2⁴ = 16616107 is a prime.

It is a super-2 number, since 2×16616123² = 552191087102258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16616092 and 16616101.

It is not an unprimeable number, because it can be changed into a prime (16616129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9953 + ... + 11501.

It is an arithmetic number, because the mean of its divisors is an integer number (2204100).

Almost surely, 2^16616123 is an apocalyptic number.

16616123 is a deficient number, since it is larger than the sum of its proper divisors (1016677).

16616123 is a wasteful number, since it uses less digits than its factorization.

16616123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197.

The product of its digits is 1296, while the sum is 26.

The square root of 16616123 is about 4076.2878946414. The cubic root of 16616123 is about 255.1780020789.

Adding to 16616123 its reverse (32161661), we get a palindrome (48777784).

The spelling of 16616123 in words is "sixteen million, six hundred sixteen thousand, one hundred twenty-three".