16990614 has 16 divisors (see below), whose sum is σ = 37757040. Its totient is φ = 5663520.

The previous prime is 16990613. The next prime is 16990639. The reversal of 16990614 is 41609961.

It is a Curzon number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16990613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157267 + ... + 157374.

It is an arithmetic number, because the mean of its divisors is an integer number (2359815).

Almost surely, 2^16990614 is an apocalyptic number.

16990614 is an abundant number, since it is smaller than the sum of its proper divisors (20766426).

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

16990614 is a wasteful number, since it uses less digits than its factorization.

16990614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314652 (or 314646 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 16990614 is about 4121.9672487782. The cubic root of 16990614 is about 257.0808286894.

The spelling of 16990614 in words is "sixteen million, nine hundred ninety thousand, six hundred fourteen".