16609436 has 12 divisors (see below), whose sum is σ = 29115240. Its totient is φ = 8290800.

The previous prime is 16609429. The next prime is 16609457. The reversal of 16609436 is 63490661.

It is a junction number, because it is equal to n+sod(n) for n = 16609396 and 16609405.

It is a congruent number.

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, 515 + ... + 5786.

It is an arithmetic number, because the mean of its divisors is an integer number (2426270).

Almost surely, 2^16609436 is an apocalyptic number.

It is an amenable number.

16609436 is a deficient number, since it is larger than the sum of its proper divisors (12505804).

16609436 is a wasteful number, since it uses less digits than its factorization.

16609436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6964 (or 6962 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 16609436 is about 4075.4675805360. The cubic root of 16609436 is about 255.1437661692.

The spelling of 16609436 in words is "sixteen million, six hundred nine thousand, four hundred thirty-six".