662715506616 has 64 divisors (see below), whose sum is σ = 1692769121280. Its totient is φ = 216111841920.

The previous prime is 662715506591. The next prime is 662715506653. The reversal of 662715506616 is 616605517266.

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, 2515165 + ... + 2766131.

It is an arithmetic number, because the mean of its divisors is an integer number (26449517520).

Almost surely, 2^662715506616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662715506616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846384560640).

662715506616 is an abundant number, since it is smaller than the sum of its proper divisors (1030053614664).

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

662715506616 is a wasteful number, since it uses less digits than its factorization.

662715506616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253364 (or 253360 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 662715506616 in words is "six hundred sixty-two billion, seven hundred fifteen million, five hundred six thousand, six hundred sixteen".