16606890 has 32 divisors (see below), whose sum is σ = 44285760. Its totient is φ = 4428432.

The previous prime is 16606871. The next prime is 16606921. The reversal of 16606890 is 9860661.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30484 + ... + 31023.

It is an arithmetic number, because the mean of its divisors is an integer number (1383930).

Almost surely, 2^16606890 is an apocalyptic number.

16606890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16606890 is an abundant number, since it is smaller than the sum of its proper divisors (27678870).

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

16606890 is a wasteful number, since it uses less digits than its factorization.

16606890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61523 (or 61517 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 16606890 is about 4075.1552117680. The cubic root of 16606890 is about 255.1307288166.

The spelling of 16606890 in words is "sixteen million, six hundred six thousand, eight hundred ninety".