16606020 has 24 divisors (see below), whose sum is σ = 46497024. Its totient is φ = 4428256.

The previous prime is 16606003. The next prime is 16606033. The reversal of 16606020 is 2060661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138324 + ... + 138443.

It is an arithmetic number, because the mean of its divisors is an integer number (1937376).

Almost surely, 2^16606020 is an apocalyptic number.

16606020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16606020 is an abundant number, since it is smaller than the sum of its proper divisors (29891004).

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

16606020 is a wasteful number, since it uses less digits than its factorization.

16606020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276779 (or 276777 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 16606020 is about 4075.0484659695. The cubic root of 16606020 is about 255.1262734849.

Adding to 16606020 its reverse (2060661), we get a palindrome (18666681).

The spelling of 16606020 in words is "sixteen million, six hundred six thousand, twenty".