16990149 has 8 divisors (see below), whose sum is σ = 24712992. Its totient is φ = 10297040.

The previous prime is 16990111. The next prime is 16990151. The reversal of 16990149 is 94109961.

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

It is a cyclic number.

It is not a de Polignac number, because 16990149 - 2¹³ = 16981957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16920149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257394 + ... + 257459.

It is an arithmetic number, because the mean of its divisors is an integer number (3089124).

Almost surely, 2^16990149 is an apocalyptic number.

It is an amenable number.

16990149 is a deficient number, since it is larger than the sum of its proper divisors (7722843).

16990149 is a wasteful number, since it uses less digits than its factorization.

16990149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514867.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 16990149 is about 4121.9108432862. The cubic root of 16990149 is about 257.0784834009.

The spelling of 16990149 in words is "sixteen million, nine hundred ninety thousand, one hundred forty-nine".