4340306161 has 3 divisors (see below), whose sum is σ = 4340372043. Its totient is φ = 4340240280.

The previous prime is 4340306137. The next prime is 4340306213. The reversal of 4340306161 is 1616030434.

The square root of 4340306161 is 65881.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2432363761 + 1907942400 = 49319^2 + 43680^2 .

It is not a de Polignac number, because 4340306161 - 2²³ = 4331917553 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4340306111) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 32941 + ... + 98821.

It is an arithmetic number, because the mean of its divisors is an integer number (1446790681).

Almost surely, 2^4340306161 is an apocalyptic number.

4340306161 is the 65881-st square number.

4340306161 is the 32941-st centered octagonal number.

It is an amenable number.

4340306161 is a deficient number, since it is larger than the sum of its proper divisors (65882).

4340306161 is an frugal number, since it uses more digits than its factorization.

4340306161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131762 (or 65881 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The cubic root of 4340306161 is about 1631.1984062091.

Multiplying 4340306161 by its product of nonzero digits (5184), we get a square (22500147138624 = 4743432²).

Adding to 4340306161 its reverse (1616030434), we get a palindrome (5956336595).

The spelling of 4340306161 in words is "four billion, three hundred forty million, three hundred six thousand, one hundred sixty-one".