613577644066 has 16 divisors (see below), whose sum is σ = 968946680160. Its totient is φ = 290600079840.

The previous prime is 613577644063. The next prime is 613577644117. The reversal of 613577644066 is 660446775316.

It is a junction number, because it is equal to n+sod(n) for n = 613577643998 and 613577644016.

It is not an unprimeable number, because it can be changed into a prime (613577644063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898155 + ... + 1426126.

It is an arithmetic number, because the mean of its divisors is an integer number (60559167510).

Almost surely, 2^613577644066 is an apocalyptic number.

613577644066 is a deficient number, since it is larger than the sum of its proper divisors (355369036094).

613577644066 is a wasteful number, since it uses less digits than its factorization.

613577644066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331249.

The product of its (nonzero) digits is 15240960, while the sum is 55.

The spelling of 613577644066 in words is "six hundred thirteen billion, five hundred seventy-seven million, six hundred forty-four thousand, sixty-six".