260215015066 has 16 divisors (see below), whose sum is σ = 403798681800. Its totient is φ = 125615827008.

The previous prime is 260215015063. The next prime is 260215015069. The reversal of 260215015066 is 660510512062.

It is an interprime number because it is at equal distance from previous prime (260215015063) and next prime (260215015069).

It can be written as a sum of positive squares in 4 ways, for example, as 248273989441 + 11941025625 = 498271^2 + 109275^2 .

It is not an unprimeable number, because it can be changed into a prime (260215015063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1569976 + ... + 1727788.

Almost surely, 2^260215015066 is an apocalyptic number.

260215015066 is a deficient number, since it is larger than the sum of its proper divisors (143583666734).

260215015066 is a wasteful number, since it uses less digits than its factorization.

260215015066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186273.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 260215015066 in words is "two hundred sixty billion, two hundred fifteen million, fifteen thousand, sixty-six".