617042665603 has 8 divisors (see below), whose sum is σ = 759437127008. Its totient is φ = 488209581504.

The previous prime is 617042665583. The next prime is 617042665639. The reversal of 617042665603 is 306566240716.

617042665603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 617042665603 - 2⁵ = 617042665571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (617042665663) 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, 3390344226 + ... + 3390344407.

It is an arithmetic number, because the mean of its divisors is an integer number (94929640876).

Almost surely, 2^617042665603 is an apocalyptic number.

617042665603 is a deficient number, since it is larger than the sum of its proper divisors (142394461405).

617042665603 is a wasteful number, since it uses less digits than its factorization.

617042665603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6780688653.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 617042665603 in words is "six hundred seventeen billion, forty-two million, six hundred sixty-five thousand, six hundred three".