662605212616 has 32 divisors (see below), whose sum is σ = 1264289731200. Its totient is φ = 325468818880.

The previous prime is 662605212571. The next prime is 662605212631. The reversal of 662605212616 is 616212506266.

It is a happy number.

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, 234561 + ... + 1174831.

It is an arithmetic number, because the mean of its divisors is an integer number (39509054100).

Almost surely, 2^662605212616 is an apocalyptic number.

It is an amenable number.

662605212616 is a deficient number, since it is larger than the sum of its proper divisors (601684518584).

662605212616 is a wasteful number, since it uses less digits than its factorization.

662605212616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941829 (or 941825 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 662605212616 in words is "six hundred sixty-two billion, six hundred five million, two hundred twelve thousand, six hundred sixteen".