383480161 has 4 divisors (see below), whose sum is σ = 383536132. Its totient is φ = 383424192.

The previous prime is 383480107. The next prime is 383480177. The reversal of 383480161 is 161084383.

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 241989136 + 141491025 = 15556^2 + 11895^2 .

It is a cyclic number.

It is not a de Polignac number, because 383480161 - 2¹⁷ = 383349089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383484161) 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, 15996 + ... + 31981.

It is an arithmetic number, because the mean of its divisors is an integer number (95884033).

Almost surely, 2^383480161 is an apocalyptic number.

It is an amenable number.

383480161 is a deficient number, since it is larger than the sum of its proper divisors (55971).

383480161 is an equidigital number, since it uses as much as digits as its factorization.

383480161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55970.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 383480161 is about 19582.6494887694. The cubic root of 383480161 is about 726.5200993803.

The spelling of 383480161 in words is "three hundred eighty-three million, four hundred eighty thousand, one hundred sixty-one".