665017031262052 has 24 divisors (see below), whose sum is σ = 1331299556457920. Its totient is φ = 284736121840800.

The previous prime is 665017031262049. The next prime is 665017031262071. The reversal of 665017031262052 is 250262130710566.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 665017031261993 and 665017031262011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11299023027 + ... + 11299081882.

Almost surely, 2^{665017031262052} is an apocalyptic number.

It is an amenable number.

665017031262052 is an abundant number, since it is smaller than the sum of its proper divisors (666282525195868).

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

665017031262052 is a wasteful number, since it uses less digits than its factorization.

665017031262052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22598105971 (or 22598105969 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 665017031262052 in words is "six hundred sixty-five trillion, seventeen billion, thirty-one million, two hundred sixty-two thousand, fifty-two".