616304361 has 4 divisors (see below), whose sum is σ = 821739152. Its totient is φ = 410869572.

The previous prime is 616304329. The next prime is 616304363. The reversal of 616304361 is 163403616.

616304361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 616304361 - 2⁵ = 616304329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616304363) 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, 102717391 + ... + 102717396.

It is an arithmetic number, because the mean of its divisors is an integer number (205434788).

Almost surely, 2^616304361 is an apocalyptic number.

It is an amenable number.

616304361 is a deficient number, since it is larger than the sum of its proper divisors (205434791).

616304361 is a wasteful number, since it uses less digits than its factorization.

616304361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205434790.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 616304361 is about 24825.4780618622. The cubic root of 616304361 is about 851.0042851608.

Adding to 616304361 its reverse (163403616), we get a palindrome (779707977).

The spelling of 616304361 in words is "six hundred sixteen million, three hundred four thousand, three hundred sixty-one".