264540160543553 has 2 divisors, whose sum is σ = 264540160543554. Its totient is φ = 264540160543552.

The previous prime is 264540160543541. The next prime is 264540160543577. The reversal of 264540160543553 is 355345061045462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264051352617649 + 488807925904 = 16249657^2 + 699148^2 .

It is a cyclic number.

It is not a de Polignac number, because 264540160543553 - 2⁴ = 264540160543537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 264540160543495 and 264540160543504.

It is not a weakly prime, because it can be changed into another prime (264540160543853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132270080271776 + 132270080271777.

It is an arithmetic number, because the mean of its divisors is an integer number (132270080271777).

Almost surely, 2^{264540160543553} is an apocalyptic number.

It is an amenable number.

264540160543553 is a deficient number, since it is larger than the sum of its proper divisors (1).

264540160543553 is an equidigital number, since it uses as much as digits as its factorization.

264540160543553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920000, while the sum is 53.

The spelling of 264540160543553 in words is "two hundred sixty-four trillion, five hundred forty billion, one hundred sixty million, five hundred forty-three thousand, five hundred fifty-three".