16321950 has 144 divisors (see below), whose sum is σ = 48746880. Its totient is φ = 3896640.

The previous prime is 16321909. The next prime is 16321957. The reversal of 16321950 is 5912361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16321957) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 196609 + ... + 196691.

It is an arithmetic number, because the mean of its divisors is an integer number (338520).

Almost surely, 2^16321950 is an apocalyptic number.

16321950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16321950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24373440).

16321950 is an abundant number, since it is smaller than the sum of its proper divisors (32424930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16321950 is a wasteful number, since it uses less digits than its factorization.

16321950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 16321950 is about 4040.0433165995. The cubic root of 16321950 is about 253.6631304153.

It can be divided in two parts, 16321 and 950, that added together give a palindrome (17271).

The spelling of 16321950 in words is "sixteen million, three hundred twenty-one thousand, nine hundred fifty".