671455266201 has 32 divisors (see below), whose sum is σ = 1039041120000. Its totient is φ = 428004912384.

The previous prime is 671455266193. The next prime is 671455266253. The reversal of 671455266201 is 102662554176.

671455266201 is a `hidden beast` number, since 6 + 7 + 14 + 5 + 5 + 2 + 6 + 620 + 1 = 666.

671455266201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 671455266201 - 2³ = 671455266193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671455266271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4082176 + ... + 4243473.

It is an arithmetic number, because the mean of its divisors is an integer number (32470035000).

Almost surely, 2^671455266201 is an apocalyptic number.

It is an amenable number.

671455266201 is a deficient number, since it is larger than the sum of its proper divisors (367585853799).

671455266201 is a wasteful number, since it uses less digits than its factorization.

671455266201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8325790 (or 8325784 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 671455266201 in words is "six hundred seventy-one billion, four hundred fifty-five million, two hundred sixty-six thousand, two hundred one".