16990010 has 8 divisors (see below), whose sum is σ = 30582036. Its totient is φ = 6796000.

The previous prime is 16990007. The next prime is 16990019. The reversal of 16990010 is 1009961.

It can be written as a sum of positive squares in 2 ways, for example, as 15864289 + 1125721 = 3983^2 + 1061^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16990019) 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 3 ways as a sum of consecutive naturals, for example, 849491 + ... + 849510.

Almost surely, 2^16990010 is an apocalyptic number.

16990010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16990010 is a deficient number, since it is larger than the sum of its proper divisors (13592026).

16990010 is a wasteful number, since it uses less digits than its factorization.

16990010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699008.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 16990010 is about 4121.8939821398. The cubic root of 16990010 is about 257.0777823278.

Adding to 16990010 its reverse (1009961), we get a palindrome (17999971).

The spelling of 16990010 in words is "sixteen million, nine hundred ninety thousand, ten".