16964457378 has 16 divisors (see below), whose sum is σ = 37013361696. Its totient is φ = 5140744640.

The previous prime is 16964457343. The next prime is 16964457379. The reversal of 16964457378 is 87375446961.

16964457378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16964457379) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 128518551 + ... + 128518682.

It is an arithmetic number, because the mean of its divisors is an integer number (2313335106).

Almost surely, 2^16964457378 is an apocalyptic number.

16964457378 is an abundant number, since it is smaller than the sum of its proper divisors (20048904318).

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

16964457378 is a wasteful number, since it uses less digits than its factorization.

16964457378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257037249.

The product of its digits is 30481920, while the sum is 60.

The spelling of 16964457378 in words is "sixteen billion, nine hundred sixty-four million, four hundred fifty-seven thousand, three hundred seventy-eight".