16663134 has 32 divisors (see below), whose sum is σ = 34295040. Its totient is φ = 5395392.

The previous prime is 16663121. The next prime is 16663159. The reversal of 16663134 is 43136661.

It is a congruent 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, 36234 + ... + 36690.

It is an arithmetic number, because the mean of its divisors is an integer number (1071720).

Almost surely, 2^16663134 is an apocalyptic number.

16663134 is an abundant number, since it is smaller than the sum of its proper divisors (17631906).

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

16663134 is a wasteful number, since it uses less digits than its factorization.

16663134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624.

The product of its digits is 7776, while the sum is 30.

The square root of 16663134 is about 4082.0502201712. The cubic root of 16663134 is about 255.4184287507.

Adding to 16663134 its reverse (43136661), we get a palindrome (59799795).

The spelling of 16663134 in words is "sixteen million, six hundred sixty-three thousand, one hundred thirty-four".