16253847168 has 64 divisors (see below), whose sum is σ = 46495394400. Its totient is φ = 5001182208.

The previous prime is 16253847167. The next prime is 16253847199. The reversal of 16253847168 is 86174835261.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 16253847168.

It is not an unprimeable number, because it can be changed into a prime (16253847167) 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 7 ways as a sum of consecutive naturals, for example, 1622998 + ... + 1632981.

Almost surely, 2^16253847168 is an apocalyptic number.

It is an amenable number.

16253847168 is an abundant number, since it is smaller than the sum of its proper divisors (30241547232).

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

16253847168 is a wasteful number, since it uses less digits than its factorization.

16253847168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256009 (or 3255997 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The spelling of 16253847168 in words is "sixteen billion, two hundred fifty-three million, eight hundred forty-seven thousand, one hundred sixty-eight".