662620434460 has 12 divisors (see below), whose sum is σ = 1391502912408. Its totient is φ = 265048173776.

The previous prime is 662620434431. The next prime is 662620434479. The reversal of 662620434460 is 64434026266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16565510842 + ... + 16565510881.

It is an arithmetic number, because the mean of its divisors is an integer number (115958576034).

Almost surely, 2^662620434460 is an apocalyptic number.

It is an amenable number.

662620434460 is an abundant number, since it is smaller than the sum of its proper divisors (728882477948).

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

662620434460 is a wasteful number, since it uses less digits than its factorization.

662620434460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33131021732 (or 33131021730 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 43.

The spelling of 662620434460 in words is "six hundred sixty-two billion, six hundred twenty million, four hundred thirty-four thousand, four hundred sixty".