8631550551368 has 32 divisors (see below), whose sum is σ = 16195980240000. Its totient is φ = 4312623631680.

The previous prime is 8631550551361. The next prime is 8631550551373.

It is a happy number.

8631550551368 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (8631550551361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62770673 + ... + 62908031.

It is an arithmetic number, because the mean of its divisors is an integer number (506124382500).

Almost surely, 2^{8631550551368} is an apocalyptic number.

It is an amenable number.

8631550551368 is a deficient number, since it is larger than the sum of its proper divisors (7564429688632).

8631550551368 is a wasteful number, since it uses less digits than its factorization.

8631550551368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143045 (or 143041 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 56.

The spelling of 8631550551368 in words is "eight trillion, six hundred thirty-one billion, five hundred fifty million, five hundred fifty-one thousand, three hundred sixty-eight".