194146617613 has 16 divisors (see below), whose sum is σ = 212447805696. Its totient is φ = 176336455680.

The previous prime is 194146617571. The next prime is 194146617629. The reversal of 194146617613 is 316716641491.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194146617613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194146617673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255181 + ... + 673357.

It is an arithmetic number, because the mean of its divisors is an integer number (13277987856).

Almost surely, 2^194146617613 is an apocalyptic number.

194146617613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

194146617613 is a deficient number, since it is larger than the sum of its proper divisors (18301188083).

194146617613 is a wasteful number, since it uses less digits than its factorization.

194146617613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418764.

The product of its digits is 653184, while the sum is 49.

The spelling of 194146617613 in words is "one hundred ninety-four billion, one hundred forty-six million, six hundred seventeen thousand, six hundred thirteen".