617963648216 has 16 divisors (see below), whose sum is σ = 1183334646240. Its totient is φ = 302407742560.

The previous prime is 617963648191. The next prime is 617963648221. The reversal of 617963648216 is 612846369716.

It is a congruent number.

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, 821759795 + ... + 821760546.

It is an arithmetic number, because the mean of its divisors is an integer number (73958415390).

Almost surely, 2^617963648216 is an apocalyptic number.

It is an amenable number.

617963648216 is a deficient number, since it is larger than the sum of its proper divisors (565370998024).

617963648216 is a wasteful number, since it uses less digits than its factorization.

617963648216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643520394 (or 1643520390 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 59.

The spelling of 617963648216 in words is "six hundred seventeen billion, nine hundred sixty-three million, six hundred forty-eight thousand, two hundred sixteen".