260803155 has 32 divisors (see below), whose sum is σ = 432027648. Its totient is φ = 134208000.

The previous prime is 260803129. The next prime is 260803157. The reversal of 260803155 is 551308062.

It is not a de Polignac number, because 260803155 - 2⁹ = 260802643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260803157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216555 + ... + 217755.

It is an arithmetic number, because the mean of its divisors is an integer number (13500864).

Almost surely, 2^260803155 is an apocalyptic number.

260803155 is a deficient number, since it is larger than the sum of its proper divisors (171224493).

260803155 is a wasteful number, since it uses less digits than its factorization.

260803155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 260803155 is about 16149.4010724856. The cubic root of 260803155 is about 638.9069518047.

The spelling of 260803155 in words is "two hundred sixty million, eight hundred three thousand, one hundred fifty-five".