384334172463661 has 8 divisors (see below), whose sum is σ = 439240725108864. Its totient is φ = 329428037534640.

The previous prime is 384334172463613. The next prime is 384334172463677. The reversal of 384334172463661 is 166364271433483.

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 384334172463661 - 2⁷ = 384334172463533 is a prime.

It is a super-2 number, since 2×384334172463661² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 384334172463661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384334172466661) 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, 102454945 + ... + 106139926.

It is an arithmetic number, because the mean of its divisors is an integer number (54905090638608).

Almost surely, 2^{384334172463661} is an apocalyptic number.

It is an amenable number.

384334172463661 is a deficient number, since it is larger than the sum of its proper divisors (54906552645203).

384334172463661 is a wasteful number, since it uses less digits than its factorization.

384334172463661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208858091.

The product of its digits is 125411328, while the sum is 61.

The spelling of 384334172463661 in words is "three hundred eighty-four trillion, three hundred thirty-four billion, one hundred seventy-two million, four hundred sixty-three thousand, six hundred sixty-one".