662636212131102 has 24 divisors (see below), whose sum is σ = 1456704400223688. Its totient is φ = 200798852160720.

The previous prime is 662636212131079. The next prime is 662636212131109. The reversal of 662636212131102 is 201131212636266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662636212131109) 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 11 ways as a sum of consecutive naturals, for example, 456361026913 + ... + 456361028364.

It is an arithmetic number, because the mean of its divisors is an integer number (60696016675987).

Almost surely, 2^{662636212131102} is an apocalyptic number.

662636212131102 is an abundant number, since it is smaller than the sum of its proper divisors (794068188092586).

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

662636212131102 is a wasteful number, since it uses less digits than its factorization.

662636212131102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912722055304 (or 912722055293 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

Adding to 662636212131102 its reverse (201131212636266), we get a palindrome (863767424767368).

The spelling of 662636212131102 in words is "six hundred sixty-two trillion, six hundred thirty-six billion, two hundred twelve million, one hundred thirty-one thousand, one hundred two".