16606361 has 12 divisors (see below), whose sum is σ = 17698212. Its totient is φ = 15578784.

The previous prime is 16606339. The next prime is 16606363. The reversal of 16606361 is 16360661.

It can be written as a sum of positive squares in 2 ways, for example, as 11055625 + 5550736 = 3325^2 + 2356^2 .

It is not a de Polignac number, because 16606361 - 2¹⁸ = 16344217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16606363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56531 + ... + 56823.

It is an arithmetic number, because the mean of its divisors is an integer number (1474851).

Almost surely, 2^16606361 is an apocalyptic number.

It is an amenable number.

16606361 is a deficient number, since it is larger than the sum of its proper divisors (1091851).

16606361 is a wasteful number, since it uses less digits than its factorization.

16606361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 16606361 is about 4075.0903057478. The cubic root of 16606361 is about 255.1280197886.

The spelling of 16606361 in words is "sixteen million, six hundred six thousand, three hundred sixty-one".