260221856618 has 8 divisors (see below), whose sum is σ = 407303775648. Its totient is φ = 124453931404.

The previous prime is 260221856617. The next prime is 260221856651. The reversal of 260221856618 is 816658122062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (260221856617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2828498396 + ... + 2828498487.

It is an arithmetic number, because the mean of its divisors is an integer number (50912971956).

Almost surely, 2^260221856618 is an apocalyptic number.

260221856618 is a deficient number, since it is larger than the sum of its proper divisors (147081919030).

260221856618 is a wasteful number, since it uses less digits than its factorization.

260221856618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656996908.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 260221856618 in words is "two hundred sixty billion, two hundred twenty-one million, eight hundred fifty-six thousand, six hundred eighteen".