394161768001 has 8 divisors (see below), whose sum is σ = 417358625544. Its totient is φ = 370966118400.

The previous prime is 394161767977. The next prime is 394161768037. The reversal of 394161768001 is 100867161493.

It can be written as a sum of positive squares in 4 ways, for example, as 297052250625 + 97109517376 = 545025^2 + 311624^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 394161768001 - 2²⁵ = 394128213569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394161760001) 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, 419041 + ... + 981793.

It is an arithmetic number, because the mean of its divisors is an integer number (52169828193).

Almost surely, 2^394161768001 is an apocalyptic number.

It is an amenable number.

394161768001 is a deficient number, since it is larger than the sum of its proper divisors (23196857543).

394161768001 is a wasteful number, since it uses less digits than its factorization.

394161768001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603971.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 394161768001 in words is "three hundred ninety-four billion, one hundred sixty-one million, seven hundred sixty-eight thousand, one".