2631203571668 has 12 divisors (see below), whose sum is σ = 5262407143392. Its totient is φ = 1127658673560.

The previous prime is 2631203571653. The next prime is 2631203571697. The reversal of 2631203571668 is 8661753021362.

2631203571668 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 46985778038 + ... + 46985778093.

It is an arithmetic number, because the mean of its divisors is an integer number (438533928616).

Almost surely, 2^{2631203571668} is an apocalyptic number.

2631203571668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2631203571668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2631203571668 is a wasteful number, since it uses less digits than its factorization.

2631203571668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93971556142 (or 93971556140 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 2631203571668 in words is "two trillion, six hundred thirty-one billion, two hundred three million, five hundred seventy-one thousand, six hundred sixty-eight".