382165636121 has 4 divisors (see below), whose sum is σ = 382344974544. Its totient is φ = 381986297700.

The previous prime is 382165636051. The next prime is 382165636159. The reversal of 382165636121 is 121636561283.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 382165636121 - 2¹⁸ = 382165373977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (382165636421) 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, 89666015 + ... + 89670276.

It is an arithmetic number, because the mean of its divisors is an integer number (95586243636).

Almost surely, 2^382165636121 is an apocalyptic number.

It is an amenable number.

382165636121 is a deficient number, since it is larger than the sum of its proper divisors (179338423).

382165636121 is a wasteful number, since it uses less digits than its factorization.

382165636121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179338422.

The product of its digits is 311040, while the sum is 44.

The spelling of 382165636121 in words is "three hundred eighty-two billion, one hundred sixty-five million, six hundred thirty-six thousand, one hundred twenty-one".