662910678012 has 24 divisors (see below), whose sum is σ = 1687408998912. Its totient is φ = 200882023600.

The previous prime is 662910677969. The next prime is 662910678083. The reversal of 662910678012 is 210876019266.

It is a congruent 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, 2511025164 + ... + 2511025427.

It is an arithmetic number, because the mean of its divisors is an integer number (70308708288).

Almost surely, 2^662910678012 is an apocalyptic number.

It is an amenable number.

662910678012 is an abundant number, since it is smaller than the sum of its proper divisors (1024498320900).

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

662910678012 is a wasteful number, since it uses less digits than its factorization.

662910678012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022050609 (or 5022050607 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 662910678012 in words is "six hundred sixty-two billion, nine hundred ten million, six hundred seventy-eight thousand, twelve".