662813805238 has 16 divisors (see below), whose sum is σ = 1078402101840. Its totient is φ = 303713241696.

The previous prime is 662813805217. The next prime is 662813805271. The reversal of 662813805238 is 832508318266.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 91697245 + ... + 91704472.

It is an arithmetic number, because the mean of its divisors is an integer number (67400131365).

Almost surely, 2^662813805238 is an apocalyptic number.

662813805238 is a deficient number, since it is larger than the sum of its proper divisors (415588296602).

662813805238 is a wasteful number, since it uses less digits than its factorization.

662813805238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183401871.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 662813805238 in words is "six hundred sixty-two billion, eight hundred thirteen million, eight hundred five thousand, two hundred thirty-eight".