194936912928 has 96 divisors (see below), whose sum is σ = 570507235200. Its totient is φ = 64757115648.

The previous prime is 194936912879. The next prime is 194936912959. The reversal of 194936912928 is 829219639491.

194936912928 is a `hidden beast` number, since 19 + 493 + 6 + 9 + 129 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131868 + ... + 638171.

It is an arithmetic number, because the mean of its divisors is an integer number (5942783700).

Almost surely, 2^194936912928 is an apocalyptic number.

194936912928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

194936912928 is an abundant number, since it is smaller than the sum of its proper divisors (375570322272).

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

194936912928 is a wasteful number, since it uses less digits than its factorization.

194936912928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770351 (or 770337 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 63.

The spelling of 194936912928 in words is "one hundred ninety-four billion, nine hundred thirty-six million, nine hundred twelve thousand, nine hundred twenty-eight".