16606120 has 16 divisors (see below), whose sum is σ = 37363860. Its totient is φ = 6642432.

The previous prime is 16606063. The next prime is 16606129. The reversal of 16606120 is 2160661.

It can be written as a sum of positive squares in 2 ways, for example, as 16499844 + 106276 = 4062^2 + 326^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16606091 and 16606100.

It is not an unprimeable number, because it can be changed into a prime (16606129) 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, 207537 + ... + 207616.

Almost surely, 2^16606120 is an apocalyptic number.

16606120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16606120 is an abundant number, since it is smaller than the sum of its proper divisors (20757740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16606120 is a wasteful number, since it uses less digits than its factorization.

16606120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415164 (or 415160 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 16606120 is about 4075.0607357437. The cubic root of 16606120 is about 255.1267855999.

Adding to 16606120 its reverse (2160661), we get a palindrome (18766781).

The spelling of 16606120 in words is "sixteen million, six hundred six thousand, one hundred twenty".