202110640104656 has 40 divisors (see below), whose sum is σ = 394599739187808. Its totient is φ = 100278532016000.

The previous prime is 202110640104647. The next prime is 202110640104733. The reversal of 202110640104656 is 656401046011202.

It is a happy number.

202110640104656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36686186 + ... + 41834166.

Almost surely, 2^{202110640104656} is an apocalyptic number.

It is an amenable number.

202110640104656 is a deficient number, since it is larger than the sum of its proper divisors (192489099083152).

202110640104656 is a wasteful number, since it uses less digits than its factorization.

202110640104656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166851 (or 5166845 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

Adding to 202110640104656 its reverse (656401046011202), we get a palindrome (858511686115858).

The spelling of 202110640104656 in words is "two hundred two trillion, one hundred ten billion, six hundred forty million, one hundred four thousand, six hundred fifty-six".