617042665604 has 12 divisors (see below), whose sum is σ = 1079867128284. Its totient is φ = 308509200384.

The previous prime is 617042665583. The next prime is 617042665639. The reversal of 617042665604 is 406566240716.

It can be written as a sum of positive squares in 2 ways, for example, as 573548728900 + 43493936704 = 757330^2 + 208552^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2918189 + ... + 3122484.

It is an arithmetic number, because the mean of its divisors is an integer number (89988927357).

Almost surely, 2^617042665604 is an apocalyptic number.

It is an amenable number.

617042665604 is a deficient number, since it is larger than the sum of its proper divisors (462824462680).

617042665604 is a wasteful number, since it uses less digits than its factorization.

617042665604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6066214 (or 6066212 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 617042665604 in words is "six hundred seventeen billion, forty-two million, six hundred sixty-five thousand, six hundred four".