194840306165 has 8 divisors (see below), whose sum is σ = 235032496128. Its totient is φ = 155056159120.

The previous prime is 194840306137. The next prime is 194840306179. The reversal of 194840306165 is 561603048491.

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

It is a de Polignac number, because none of the positive numbers 2^k-194840306165 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102009677 + ... + 102011586.

It is an arithmetic number, because the mean of its divisors is an integer number (29379062016).

Almost surely, 2^194840306165 is an apocalyptic number.

It is an amenable number.

194840306165 is a deficient number, since it is larger than the sum of its proper divisors (40192189963).

194840306165 is a wasteful number, since it uses less digits than its factorization.

194840306165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204021459.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 194840306165 in words is "one hundred ninety-four billion, eight hundred forty million, three hundred six thousand, one hundred sixty-five".