16319643672 has 32 divisors (see below), whose sum is σ = 41315558400. Its totient is φ = 5371021344.

The previous prime is 16319643661. The next prime is 16319643673. The reversal of 16319643672 is 27634691361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16319643673) 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, 4301808 + ... + 4305599.

It is an arithmetic number, because the mean of its divisors is an integer number (1291111200).

Almost surely, 2^16319643672 is an apocalyptic number.

16319643672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16319643672 is an abundant number, since it is smaller than the sum of its proper divisors (24995914728).

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

16319643672 is a wasteful number, since it uses less digits than its factorization.

16319643672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8607495 (or 8607491 counting only the distinct ones).

The product of its digits is 979776, while the sum is 48.

The spelling of 16319643672 in words is "sixteen billion, three hundred nineteen million, six hundred forty-three thousand, six hundred seventy-two".