662203618272 has 960 divisors, whose sum is σ = 2475384468480. Its totient is φ = 169207087104.

The previous prime is 662203618267. The next prime is 662203618273. The reversal of 662203618272 is 272816302266.

662203618272 is a `hidden beast` number, since 6 + 6 + 2 + 2 + 0 + 3 + 618 + 27 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662203618273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1908367603 + ... + 1908367949.

It is an arithmetic number, because the mean of its divisors is an integer number (2578525488).

Almost surely, 2^662203618272 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 662203618272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1237692234240).

662203618272 is an abundant number, since it is smaller than the sum of its proper divisors (1813180850208).

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

662203618272 is a wasteful number, since it uses less digits than its factorization.

662203618272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 662203618272 in words is "six hundred sixty-two billion, two hundred three million, six hundred eighteen thousand, two hundred seventy-two".