535661556208607 has 2 divisors, whose sum is σ = 535661556208608. Its totient is φ = 535661556208606.

The previous prime is 535661556208591. The next prime is 535661556208703. The reversal of 535661556208607 is 706802655166535.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 535661556208607 - 2⁴ = 535661556208591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (535661556207607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267830778104303 + 267830778104304.

It is an arithmetic number, because the mean of its divisors is an integer number (267830778104304).

Almost surely, 2^{535661556208607} is an apocalyptic number.

535661556208607 is a deficient number, since it is larger than the sum of its proper divisors (1).

535661556208607 is an equidigital number, since it uses as much as digits as its factorization.

535661556208607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160000, while the sum is 65.

The spelling of 535661556208607 in words is "five hundred thirty-five trillion, six hundred sixty-one billion, five hundred fifty-six million, two hundred eight thousand, six hundred seven".