65180228641 has 16 divisors (see below), whose sum is σ = 71790713280. Its totient is φ = 58684409280.

The previous prime is 65180228587. The next prime is 65180228677. The reversal of 65180228641 is 14682208156.

It is a cyclic number.

It is not a de Polignac number, because 65180228641 - 2⁹ = 65180228129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65180628641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2910810 + ... + 2933116.

It is an arithmetic number, because the mean of its divisors is an integer number (4486919580).

Almost surely, 2^65180228641 is an apocalyptic number.

It is an amenable number.

65180228641 is a deficient number, since it is larger than the sum of its proper divisors (6610484639).

65180228641 is a wasteful number, since it uses less digits than its factorization.

65180228641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24864.

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 65180228641 in words is "sixty-five billion, one hundred eighty million, two hundred twenty-eight thousand, six hundred forty-one".