662505543602 has 24 divisors (see below), whose sum is σ = 1157150437020. Its totient is φ = 283649506560.

The previous prime is 662505543589. The next prime is 662505543613. The reversal of 662505543602 is 206345505266.

It can be written as a sum of positive squares in 2 ways, for example, as 623059214281 + 39446329321 = 789341^2 + 198611^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3251099 + ... + 3448862.

Almost surely, 2^662505543602 is an apocalyptic number.

662505543602 is a deficient number, since it is larger than the sum of its proper divisors (494644893418).

662505543602 is a wasteful number, since it uses less digits than its factorization.

662505543602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700986 (or 6700979 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 662505543602 in words is "six hundred sixty-two billion, five hundred five million, five hundred forty-three thousand, six hundred two".