613665268 has 12 divisors (see below), whose sum is σ = 1130436160. Its totient is φ = 290683512.

The previous prime is 613665187. The next prime is 613665271. The reversal of 613665268 is 862566316.

613665268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×613665268² = 753170122299023648, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4037196 + ... + 4037347.

Almost surely, 2^613665268 is an apocalyptic number.

It is an amenable number.

613665268 is a deficient number, since it is larger than the sum of its proper divisors (516770892).

613665268 is a wasteful number, since it uses less digits than its factorization.

613665268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8074566 (or 8074564 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 613665268 is about 24772.2681238517. The cubic root of 613665268 is about 849.7878446294.

The spelling of 613665268 in words is "six hundred thirteen million, six hundred sixty-five thousand, two hundred sixty-eight".