382716161 has 4 divisors (see below), whose sum is σ = 395913300. Its totient is φ = 369519024.

The previous prime is 382716149. The next prime is 382716167. The reversal of 382716161 is 161617283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161617283 = 17 ⋅9506899.

It can be written as a sum of positive squares in 2 ways, for example, as 183765136 + 198951025 = 13556^2 + 14105^2 .

It is a cyclic number.

It is not a de Polignac number, because 382716161 - 2¹⁴ = 382699777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (382716167) 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, 6598526 + ... + 6598583.

It is an arithmetic number, because the mean of its divisors is an integer number (98978325).

Almost surely, 2^382716161 is an apocalyptic number.

It is an amenable number.

382716161 is a deficient number, since it is larger than the sum of its proper divisors (13197139).

382716161 is a wasteful number, since it uses less digits than its factorization.

382716161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13197138.

The product of its digits is 12096, while the sum is 35.

The square root of 382716161 is about 19563.1326990337. The cubic root of 382716161 is about 726.0373013692.

The spelling of 382716161 in words is "three hundred eighty-two million, seven hundred sixteen thousand, one hundred sixty-one".