385168086169 has 4 divisors (see below), whose sum is σ = 390444361396. Its totient is φ = 379891810944.

The previous prime is 385168086157. The next prime is 385168086197. The reversal of 385168086169 is 961680861583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 300181260544 + 84986825625 = 547888^2 + 291525^2 .

It is a cyclic number.

It is not a de Polignac number, because 385168086169 - 2⁵ = 385168086137 is a prime.

It is a super-2 number, since 2×385168086169² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385168086769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2638137504 + ... + 2638137649.

It is an arithmetic number, because the mean of its divisors is an integer number (97611090349).

Almost surely, 2^385168086169 is an apocalyptic number.

It is an amenable number.

385168086169 is a deficient number, since it is larger than the sum of its proper divisors (5276275227).

385168086169 is an equidigital number, since it uses as much as digits as its factorization.

385168086169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276275226.

The product of its (nonzero) digits is 14929920, while the sum is 61.

The spelling of 385168086169 in words is "three hundred eighty-five billion, one hundred sixty-eight million, eighty-six thousand, one hundred sixty-nine".