16194595440 has 80 divisors (see below), whose sum is σ = 50540292000. Its totient is φ = 4289565696.

The previous prime is 16194595423. The next prime is 16194595499. The reversal of 16194595440 is 4459549161.

16194595440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 16194595440.

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, 190675 + ... + 262194.

It is an arithmetic number, because the mean of its divisors is an integer number (631753650).

Almost surely, 2^16194595440 is an apocalyptic number.

16194595440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16194595440 is an abundant number, since it is smaller than the sum of its proper divisors (34345696560).

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

16194595440 is a wasteful number, since it uses less digits than its factorization.

16194595440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453034 (or 453028 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 16194595440 in words is "sixteen billion, one hundred ninety-four million, five hundred ninety-five thousand, four hundred forty".