16616059 has 4 divisors (see below), whose sum is σ = 16850160. Its totient is φ = 16381960.

The previous prime is 16616053. The next prime is 16616081. The reversal of 16616059 is 95061661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95061661 = 373 ⋅254857.

It is a cyclic number.

It is not a de Polignac number, because 16616059 - 2⁵ = 16616027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16616053) 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, 116944 + ... + 117085.

It is an arithmetic number, because the mean of its divisors is an integer number (4212540).

Almost surely, 2^16616059 is an apocalyptic number.

16616059 is a deficient number, since it is larger than the sum of its proper divisors (234101).

16616059 is an equidigital number, since it uses as much as digits as its factorization.

16616059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234100.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 16616059 is about 4076.2800443542. The cubic root of 16616059 is about 255.1776744570.

The spelling of 16616059 in words is "sixteen million, six hundred sixteen thousand, fifty-nine".