16412500 has 72 divisors (see below), whose sum is σ = 39044376. Its totient is φ = 6000000.

The previous prime is 16412491. The next prime is 16412507. The reversal of 16412500 is 521461.

It can be written as a sum of positive squares in 12 ways, for example, as 16112196 + 300304 = 4014^2 + 548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16412507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162450 + ... + 162550.

It is an arithmetic number, because the mean of its divisors is an integer number (542283).

Almost surely, 2^16412500 is an apocalyptic number.

16412500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16412500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19522188).

16412500 is an abundant number, since it is smaller than the sum of its proper divisors (22631876).

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

16412500 is a wasteful number, since it uses less digits than its factorization.

16412500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 16412500 is about 4051.2343797909. The cubic root of 16412500 is about 254.1313516583.

Adding to 16412500 its reverse (521461), we get a palindrome (16933961).

The spelling of 16412500 in words is "sixteen million, four hundred twelve thousand, five hundred".