385665452161 has 8 divisors (see below), whose sum is σ = 427856896800. Its totient is φ = 344662499040.

The previous prime is 385665452153. The next prime is 385665452171. The reversal of 385665452161 is 161254566583.

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 385665452161 - 2³ = 385665452153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 385665452099 and 385665452108.

It is not an unprimeable number, because it can be changed into a prime (385665452171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297122196 + ... + 297123493.

It is an arithmetic number, because the mean of its divisors is an integer number (53482112100).

Almost surely, 2^385665452161 is an apocalyptic number.

It is an amenable number.

385665452161 is a deficient number, since it is larger than the sum of its proper divisors (42191444639).

385665452161 is a wasteful number, since it uses less digits than its factorization.

385665452161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594245759.

The product of its digits is 5184000, while the sum is 52.

The spelling of 385665452161 in words is "three hundred eighty-five billion, six hundred sixty-five million, four hundred fifty-two thousand, one hundred sixty-one".