613161316 has 6 divisors (see below), whose sum is σ = 1073032310. Its totient is φ = 306580656.

The previous prime is 613161313. The next prime is 613161359.

It is a happy number.

613161316 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 419840100 + 193321216 = 20490^2 + 13904^2 .

It is not an unprimeable number, because it can be changed into a prime (613161313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76645161 + ... + 76645168.

Almost surely, 2^613161316 is an apocalyptic number.

It is an amenable number.

613161316 is a deficient number, since it is larger than the sum of its proper divisors (459870994).

613161316 is a wasteful number, since it uses less digits than its factorization.

613161316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153290333 (or 153290331 counting only the distinct ones).

The product of its digits is 1944, while the sum is 28.

The square root of 613161316 is about 24762.0943379190. The cubic root of 613161316 is about 849.5551610102. Note that the first 3 decimals are identical.

The spelling of 613161316 in words is "six hundred thirteen million, one hundred sixty-one thousand, three hundred sixteen".