8631418656201 has 48 divisors (see below), whose sum is σ = 12796452772992. Its totient is φ = 5170904893440.

The previous prime is 8631418656191. The next prime is 8631418656221. The reversal of 8631418656201 is 1026568141368.

It is a happy number.

It is not a de Polignac number, because 8631418656201 - 2⁵ = 8631418656169 is a prime.

It is a super-2 number, since 2×8631418656201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8631418656221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10606900 + ... + 11391626.

It is an arithmetic number, because the mean of its divisors is an integer number (266592766104).

Almost surely, 2^{8631418656201} is an apocalyptic number.

It is an amenable number.

8631418656201 is a deficient number, since it is larger than the sum of its proper divisors (4165034116791).

8631418656201 is a wasteful number, since it uses less digits than its factorization.

8631418656201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785102 (or 785091 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 8631418656201 in words is "eight trillion, six hundred thirty-one billion, four hundred eighteen million, six hundred fifty-six thousand, two hundred one".