616032361 has 12 divisors (see below), whose sum is σ = 721182468. Its totient is φ = 524657952.

The previous prime is 616032359. The next prime is 616032367. The reversal of 616032361 is 163230616.

It can be written as a sum of positive squares in 2 ways, for example, as 229674025 + 386358336 = 15155^2 + 19656^2 .

It is not a de Polignac number, because 616032361 - 2¹ = 616032359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616032367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32346 + ... + 47731.

It is an arithmetic number, because the mean of its divisors is an integer number (60098539).

Almost surely, 2^616032361 is an apocalyptic number.

It is an amenable number.

616032361 is a deficient number, since it is larger than the sum of its proper divisors (105150107).

616032361 is a wasteful number, since it uses less digits than its factorization.

616032361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80248 (or 80241 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 616032361 is about 24819.9992143433. Note that the first 3 decimals coincide. The cubic root of 616032361 is about 850.8790725540.

Adding to 616032361 its reverse (163230616), we get a palindrome (779262977).

The spelling of 616032361 in words is "six hundred sixteen million, thirty-two thousand, three hundred sixty-one".