260198755 has 4 divisors (see below), whose sum is σ = 312238512. Its totient is φ = 208159000.

The previous prime is 260198737. The next prime is 260198761. The reversal of 260198755 is 557891062.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 260198755 - 2⁵ = 260198723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26019871 + ... + 26019880.

It is an arithmetic number, because the mean of its divisors is an integer number (78059628).

Almost surely, 2^260198755 is an apocalyptic number.

260198755 is a deficient number, since it is larger than the sum of its proper divisors (52039757).

260198755 is an equidigital number, since it uses as much as digits as its factorization.

260198755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52039756.

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 260198755 is about 16130.6774501259. The cubic root of 260198755 is about 638.4130236723.

The spelling of 260198755 in words is "two hundred sixty million, one hundred ninety-eight thousand, seven hundred fifty-five".