613613064510216 has 24 divisors (see below), whose sum is σ = 1661868716382030. Its totient is φ = 204537688170048.

The previous prime is 613613064510191. The next prime is 613613064510221. The reversal of 613613064510216 is 612015460316316.

613613064510216 is a `hidden beast` number, since 6 + 1 + 3 + 61 + 3 + 0 + 64 + 510 + 2 + 16 = 666.

613613064510216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 478794353076900 + 134818711433316 = 21881370^2 + 11611146^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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, 4261201836805 + ... + 4261201836948.

Almost surely, 2^{613613064510216} is an apocalyptic number.

It is an amenable number.

613613064510216 is an abundant number, since it is smaller than the sum of its proper divisors (1048255651871814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613613064510216 is a wasteful number, since it uses less digits than its factorization.

613613064510216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8522403673765 (or 8522403673758 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 613613064510216 in words is "six hundred thirteen trillion, six hundred thirteen billion, sixty-four million, five hundred ten thousand, two hundred sixteen".