16916990 has 16 divisors (see below), whose sum is σ = 30607200. Its totient is φ = 6732000.

The previous prime is 16916971. The next prime is 16916993. The reversal of 16916990 is 9961961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16916993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2261 + ... + 6240.

It is an arithmetic number, because the mean of its divisors is an integer number (1912950).

Almost surely, 2^16916990 is an apocalyptic number.

16916990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16916990 is a deficient number, since it is larger than the sum of its proper divisors (13690210).

16916990 is a wasteful number, since it uses less digits than its factorization.

16916990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8707.

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 16916990 is about 4113.0268659468. The cubic root of 16916990 is about 256.7089621271.

The spelling of 16916990 in words is "sixteen million, nine hundred sixteen thousand, nine hundred ninety".