16140421344 has 48 divisors (see below), whose sum is σ = 42412664448. Its totient is φ = 5374545792.

The previous prime is 16140421307. The next prime is 16140421351. The reversal of 16140421344 is 44312404161.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

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, 5899 + ... + 179765.

It is an arithmetic number, because the mean of its divisors is an integer number (883597176).

Almost surely, 2^16140421344 is an apocalyptic number.

It is an amenable number.

16140421344 is an abundant number, since it is smaller than the sum of its proper divisors (26272243104).

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

16140421344 is a wasteful number, since it uses less digits than its factorization.

16140421344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174847 (or 174839 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 16140421344 in words is "sixteen billion, one hundred forty million, four hundred twenty-one thousand, three hundred forty-four".