207661065675201 has 64 divisors (see below), whose sum is σ = 329265839232000. Its totient is φ = 128966905710720.

The previous prime is 207661065675179. The next prime is 207661065675211. The reversal of 207661065675201 is 102576560166702.

It is a happy number.

207661065675201 is a `hidden beast` number, since 2 + 0 + 7 + 6 + 6 + 106 + 5 + 6 + 7 + 520 + 1 = 666.

It is not a de Polignac number, because 207661065675201 - 2¹³ = 207661065667009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (207661065675211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4019230 + ... + 20772008.

It is an arithmetic number, because the mean of its divisors is an integer number (5144778738000).

Almost surely, 2^{207661065675201} is an apocalyptic number.

It is an amenable number.

207661065675201 is a deficient number, since it is larger than the sum of its proper divisors (121604773556799).

207661065675201 is a wasteful number, since it uses less digits than its factorization.

207661065675201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16753211 (or 16753205 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 207661065675201 in words is "two hundred seven trillion, six hundred sixty-one billion, sixty-five million, six hundred seventy-five thousand, two hundred one".