16419850 has 12 divisors (see below), whose sum is σ = 30541014. Its totient is φ = 6567920.

The previous prime is 16419839. The next prime is 16419859. The reversal of 16419850 is 5891461.

It can be written as a sum of positive squares in 3 ways, for example, as 10712529 + 5707321 = 3273^2 + 2389^2 .

It is a super-2 number, since 2×16419850² = 539222948045000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16419859) 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 5 ways as a sum of consecutive naturals, for example, 164149 + ... + 164248.

Almost surely, 2^16419850 is an apocalyptic number.

16419850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16419850 is a deficient number, since it is larger than the sum of its proper divisors (14121164).

16419850 is a wasteful number, since it uses less digits than its factorization.

16419850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328409 (or 328404 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 16419850 is about 4052.1414091811. The cubic root of 16419850 is about 254.1692818268.

The spelling of 16419850 in words is "sixteen million, four hundred nineteen thousand, eight hundred fifty".