65367222772541 has 16 divisors (see below), whose sum is σ = 66686536753200. Its totient is φ = 64051101623808.

The previous prime is 65367222772493. The next prime is 65367222772543. The reversal of 65367222772541 is 14527722276356.

It can be written as a sum of positive squares in 8 ways, for example, as 4037101636516 + 61330121136025 = 2009254^2 + 7831355^2 .

It is a cyclic number.

It is not a de Polignac number, because 65367222772541 - 2⁶ = 65367222772477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65367222772543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1162324475 + ... + 1162380711.

It is an arithmetic number, because the mean of its divisors is an integer number (4167908547075).

Almost surely, 2^{65367222772541} is an apocalyptic number.

It is an amenable number.

65367222772541 is a deficient number, since it is larger than the sum of its proper divisors (1319313980659).

65367222772541 is a wasteful number, since it uses less digits than its factorization.

65367222772541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84208.

The product of its digits is 59270400, while the sum is 59.

The spelling of 65367222772541 in words is "sixty-five trillion, three hundred sixty-seven billion, two hundred twenty-two million, seven hundred seventy-two thousand, five hundred forty-one".