260706155 has 4 divisors (see below), whose sum is σ = 312847392. Its totient is φ = 208564920.

The previous prime is 260706139. The next prime is 260706209. The reversal of 260706155 is 551607062.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551607062 = 2 ⋅275803531.

It is not a de Polignac number, because 260706155 - 2⁴ = 260706139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26070611 + ... + 26070620.

It is an arithmetic number, because the mean of its divisors is an integer number (78211848).

Almost surely, 2^260706155 is an apocalyptic number.

260706155 is a deficient number, since it is larger than the sum of its proper divisors (52141237).

260706155 is an equidigital number, since it uses as much as digits as its factorization.

260706155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52141236.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 260706155 is about 16146.3975858394. The cubic root of 260706155 is about 638.8277328509.

The spelling of 260706155 in words is "two hundred sixty million, seven hundred six thousand, one hundred fifty-five".