65546409201 has 32 divisors (see below), whose sum is σ = 110470472448. Its totient is φ = 33639494400.

The previous prime is 65546409167. The next prime is 65546409211. The reversal of 65546409201 is 10290464556.

It is not a de Polignac number, because 65546409201 - 2⁹ = 65546408689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65546409211) 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, 3234450 + ... + 3254651.

It is an arithmetic number, because the mean of its divisors is an integer number (3452202264).

Almost surely, 2^65546409201 is an apocalyptic number.

It is an amenable number.

65546409201 is a deficient number, since it is larger than the sum of its proper divisors (44924063247).

65546409201 is a wasteful number, since it uses less digits than its factorization.

65546409201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6489161.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 65546409201 in words is "sixty-five billion, five hundred forty-six million, four hundred nine thousand, two hundred one".