194148691055 has 8 divisors (see below), whose sum is σ = 254158286544. Its totient is φ = 141199048000.

The previous prime is 194148691049. The next prime is 194148691057. The reversal of 194148691055 is 550196841491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 194148691055 - 2⁴ = 194148691039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 194148690988 and 194148691006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194148691057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1764988046 + ... + 1764988155.

It is an arithmetic number, because the mean of its divisors is an integer number (31769785818).

Almost surely, 2^194148691055 is an apocalyptic number.

194148691055 is a deficient number, since it is larger than the sum of its proper divisors (60009595489).

194148691055 is a wasteful number, since it uses less digits than its factorization.

194148691055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529976217.

The product of its (nonzero) digits is 1555200, while the sum is 53.

The spelling of 194148691055 in words is "one hundred ninety-four billion, one hundred forty-eight million, six hundred ninety-one thousand, fifty-five".