16143850 has 12 divisors (see below), whose sum is σ = 30027654. Its totient is φ = 6457520.

The previous prime is 16143847. The next prime is 16143857. The reversal of 16143850 is 5834161.

It can be written as a sum of positive squares in 3 ways, for example, as 9928801 + 6215049 = 3151^2 + 2493^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (16143857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161389 + ... + 161488.

Almost surely, 2^16143850 is an apocalyptic number.

16143850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16143850 is a deficient number, since it is larger than the sum of its proper divisors (13883804).

16143850 is a wasteful number, since it uses less digits than its factorization.

16143850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322889 (or 322884 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 16143850 is about 4017.9410149976. The cubic root of 16143850 is about 252.7371232592.

The spelling of 16143850 in words is "sixteen million, one hundred forty-three thousand, eight hundred fifty".