16245643000 has 64 divisors (see below), whose sum is σ = 39241163520. Its totient is φ = 6288624000.

The previous prime is 16245642977. The next prime is 16245643019. The reversal of 16245643000 is 34654261.

16245643000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231027 + ... + 293026.

It is an arithmetic number, because the mean of its divisors is an integer number (613143180).

Almost surely, 2^16245643000 is an apocalyptic number.

16245643000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16245643000 is an abundant number, since it is smaller than the sum of its proper divisors (22995520520).

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

16245643000 is a wasteful number, since it uses less digits than its factorization.

16245643000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524105 (or 524091 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 16245643000 in words is "sixteen billion, two hundred forty-five million, six hundred forty-three thousand".