16325000 has 48 divisors (see below), whose sum is σ = 38317860. Its totient is φ = 6520000.

The previous prime is 16324991. The next prime is 16325033. The reversal of 16325000 is 52361.

It can be written as a sum of positive squares in 6 ways, for example, as 3694084 + 12630916 = 1922^2 + 3554^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16325000.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 24674 + ... + 25326.

Almost surely, 2^16325000 is an apocalyptic number.

16325000 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 16325000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19158930).

16325000 is an abundant number, since it is smaller than the sum of its proper divisors (21992860).

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

16325000 is an frugal number, since it uses more digits than its factorization.

16325000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 16325000 is about 4040.4207701674. The cubic root of 16325000 is about 253.6789296787.

Adding to 16325000 its reverse (52361), we get a palindrome (16377361).

The spelling of 16325000 in words is "sixteen million, three hundred twenty-five thousand".