16205250 has 128 divisors (see below), whose sum is σ = 45287424. Its totient is φ = 3840000.

The previous prime is 16205249. The next prime is 16205251. The reversal of 16205250 is 5250261.

It is an interprime number because it is at equal distance from previous prime (16205249) and next prime (16205251).

It is a super-2 number, since 2×16205250² = 525220255125000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16205251) 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 63 ways as a sum of consecutive naturals, for example, 395230 + ... + 395270.

It is an arithmetic number, because the mean of its divisors is an integer number (353808).

Almost surely, 2^16205250 is an apocalyptic number.

16205250 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 16205250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22643712).

16205250 is an abundant number, since it is smaller than the sum of its proper divisors (29082174).

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

16205250 is a wasteful number, since it uses less digits than its factorization.

16205250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 16205250 is about 4025.5744931624. The cubic root of 16205250 is about 253.0571301044.

The spelling of 16205250 in words is "sixteen million, two hundred five thousand, two hundred fifty".