616334441 has 6 divisors (see below), whose sum is σ = 618945726. Its totient is φ = 613726400.

The previous prime is 616334417. The next prime is 616334449. The reversal of 616334441 is 144433616.

It can be written as a sum of positive squares in 3 ways, for example, as 98089216 + 518245225 = 9904^2 + 22765^2 .

It is not a de Polignac number, because 616334441 - 2¹⁸ = 616072297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 616334398 and 616334407.

It is not an unprimeable number, because it can be changed into a prime (616334449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 415421 + ... + 416901.

It is an arithmetic number, because the mean of its divisors is an integer number (103157621).

Almost surely, 2^616334441 is an apocalyptic number.

It is an amenable number.

616334441 is a deficient number, since it is larger than the sum of its proper divisors (2611285).

616334441 is an frugal number, since it uses more digits than its factorization.

616334441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243 (or 1762 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 616334441 is about 24826.0838836898. The cubic root of 616334441 is about 851.0181299394.

It can be divided in two parts, 6163 and 34441, that added together give a palindrome (40604).

The spelling of 616334441 in words is "six hundred sixteen million, three hundred thirty-four thousand, four hundred forty-one".