603216664656 has 40 divisors (see below), whose sum is σ = 1558973966304. Its totient is φ = 200986512000.

The previous prime is 603216664651. The next prime is 603216664727. The reversal of 603216664656 is 656466612306.

It is a junction number, because it is equal to n+sod(n) for n = 603216664599 and 603216664608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (603216664651) 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, 2564595 + ... + 2789906.

Almost surely, 2^603216664656 is an apocalyptic number.

It is an amenable number.

603216664656 is an abundant number, since it is smaller than the sum of its proper divisors (955757301648).

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

603216664656 is a wasteful number, since it uses less digits than its factorization.

603216664656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5356859 (or 5356853 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 51.

The spelling of 603216664656 in words is "six hundred three billion, two hundred sixteen million, six hundred sixty-four thousand, six hundred fifty-six".