616610241 has 12 divisors (see below), whose sum is σ = 959171668. Its totient is φ = 379452384.

The previous prime is 616610227. The next prime is 616610257. The reversal of 616610241 is 142016616.

616610241 is a `hidden beast` number, since 6 + 1 + 6 + 610 + 2 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 240095025 + 376515216 = 15495^2 + 19404^2 .

It is not a de Polignac number, because 616610241 - 2¹⁸ = 616348097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616610641) 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, 2634970 + ... + 2635203.

Almost surely, 2^616610241 is an apocalyptic number.

It is an amenable number.

616610241 is a deficient number, since it is larger than the sum of its proper divisors (342561427).

616610241 is a wasteful number, since it uses less digits than its factorization.

616610241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270192 (or 5270189 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 616610241 is about 24831.6379040932. The cubic root of 616610241 is about 851.1450501003.

Adding to 616610241 its reverse (142016616), we get a palindrome (758626857).

The spelling of 616610241 in words is "six hundred sixteen million, six hundred ten thousand, two hundred forty-one".