613667368 has 24 divisors (see below), whose sum is σ = 1156059450. Its totient is φ = 305391392.

The previous prime is 613667333. The next prime is 613667387. The reversal of 613667368 is 863766316.

It can be written as a sum of positive squares in only one way, i.e., 611177284 + 2490084 = 24722^2 + 1578^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 552798 + ... + 553906.

Almost surely, 2^613667368 is an apocalyptic number.

It is an amenable number.

613667368 is a deficient number, since it is larger than the sum of its proper divisors (542392082).

613667368 is a wasteful number, since it uses less digits than its factorization.

613667368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641 (or 1374 counting only the distinct ones).

The product of its digits is 653184, while the sum is 46.

The square root of 613667368 is about 24772.3105099222. The cubic root of 613667368 is about 849.7888139703.

The spelling of 613667368 in words is "six hundred thirteen million, six hundred sixty-seven thousand, three hundred sixty-eight".