16606090 has 8 divisors (see below), whose sum is σ = 29890980. Its totient is φ = 6642432.

The previous prime is 16606063. The next prime is 16606129. The reversal of 16606090 is 9060661.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15547249 + 1058841 = 3943^2 + 1029^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 830295 + ... + 830314.

Almost surely, 2^16606090 is an apocalyptic number.

16606090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16606090 is a deficient number, since it is larger than the sum of its proper divisors (13284890).

16606090 is a wasteful number, since it uses less digits than its factorization.

16606090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660616.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 16606090 is about 4075.0570548153. The cubic root of 16606090 is about 255.1266319656.

It can be divided in two parts, 1660 and 6090, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 16606090 in words is "sixteen million, six hundred six thousand, ninety".