194314454816 has 48 divisors (see below), whose sum is σ = 405112269240. Its totient is φ = 91430277120.

The previous prime is 194314454783. The next prime is 194314454821. The reversal of 194314454816 is 618454413491.

It can be written as a sum of positive squares in 4 ways, for example, as 190266950416 + 4047504400 = 436196^2 + 63620^2 .

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 7 ways as a sum of consecutive naturals, for example, 5328806 + ... + 5365146.

Almost surely, 2^194314454816 is an apocalyptic number.

194314454816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

194314454816 is an abundant number, since it is smaller than the sum of its proper divisors (210797814424).

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

194314454816 is a wasteful number, since it uses less digits than its factorization.

194314454816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46197 (or 46189 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The spelling of 194314454816 in words is "one hundred ninety-four billion, three hundred fourteen million, four hundred fifty-four thousand, eight hundred sixteen".