16550994 has 8 divisors (see below), whose sum is σ = 33102000. Its totient is φ = 5516996.

The previous prime is 16550987. The next prime is 16551011. The reversal of 16550994 is 49905561.

16550994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

16550994 is an admirable 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, 1379244 + ... + 1379255.

It is an arithmetic number, because the mean of its divisors is an integer number (4137750).

Almost surely, 2^16550994 is an apocalyptic number.

16550994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16550994 is a wasteful number, since it uses less digits than its factorization.

16550994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758504.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 16550994 is about 4068.2912875063. The cubic root of 16550994 is about 254.8441646855.

The spelling of 16550994 in words is "sixteen million, five hundred fifty thousand, nine hundred ninety-four".