662668863198 has 16 divisors (see below), whose sum is σ = 1325355421440. Its totient is φ = 220886671896.

The previous prime is 662668863167. The next prime is 662668863203. The reversal of 662668863198 is 891368866266.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 222838 + ... + 1172601.

It is an arithmetic number, because the mean of its divisors is an integer number (82834713840).

Almost surely, 2^662668863198 is an apocalyptic number.

662668863198 is an abundant number, since it is smaller than the sum of its proper divisors (662686558242).

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

662668863198 is a wasteful number, since it uses less digits than its factorization.

662668863198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474591.

The product of its digits is 214990848, while the sum is 69.

The spelling of 662668863198 in words is "six hundred sixty-two billion, six hundred sixty-eight million, eight hundred sixty-three thousand, one hundred ninety-eight".