16325452800 has 330 divisors, whose sum is σ = 60458910578. Its totient is φ = 4352901120.

The previous prime is 16325452777. The next prime is 16325452853. The reversal of 16325452800 is 825452361.

16325452800 is a `hidden beast` number, since 1 + 6 + 32 + 545 + 2 + 80 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 47775744 + 16277677056 = 6912^2 + 127584^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2069664 + ... + 2077536.

Almost surely, 2^16325452800 is an apocalyptic number.

16325452800 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 16325452800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30229455289).

16325452800 is an abundant number, since it is smaller than the sum of its proper divisors (44133457778).

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

16325452800 is an equidigital number, since it uses as much as digits as its factorization.

16325452800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7915 (or 7883 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 16325452800 in words is "sixteen billion, three hundred twenty-five million, four hundred fifty-two thousand, eight hundred".