662110445172 has 48 divisors (see below), whose sum is σ = 1685897019072. Its totient is φ = 200577031680.

The previous prime is 662110445149. The next prime is 662110445197. The reversal of 662110445172 is 271544011266.

It is a self number, because there is not a number n which added to its sum of digits gives 662110445172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354963 + ... + 1204250.

It is an arithmetic number, because the mean of its divisors is an integer number (35122854564).

Almost surely, 2^662110445172 is an apocalyptic number.

It is an amenable number.

662110445172 is an abundant number, since it is smaller than the sum of its proper divisors (1023786573900).

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

662110445172 is a wasteful number, since it uses less digits than its factorization.

662110445172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562448 (or 1562446 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 662110445172 in words is "six hundred sixty-two billion, one hundred ten million, four hundred forty-five thousand, one hundred seventy-two".