194948055128 has 8 divisors (see below), whose sum is σ = 365527603380. Its totient is φ = 97474027560.

The previous prime is 194948055097. The next prime is 194948055139. The reversal of 194948055128 is 821550849491.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12184253438 + ... + 12184253453.

Almost surely, 2^194948055128 is an apocalyptic number.

It is an amenable number.

194948055128 is a deficient number, since it is larger than the sum of its proper divisors (170579548252).

194948055128 is a wasteful number, since it uses less digits than its factorization.

194948055128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24368506897 (or 24368506893 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 56.

The spelling of 194948055128 in words is "one hundred ninety-four billion, nine hundred forty-eight million, fifty-five thousand, one hundred twenty-eight".