5221006618 has 8 divisors (see below), whose sum is σ = 8243694720. Its totient is φ = 2473108380.

The previous prime is 5221006613. The next prime is 5221006631. The reversal of 5221006618 is 8166001225.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5221006618.

It is not an unprimeable number, because it can be changed into a prime (5221006613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68697418 + ... + 68697493.

It is an arithmetic number, because the mean of its divisors is an integer number (1030461840).

Almost surely, 2^5221006618 is an apocalyptic number.

5221006618 is a deficient number, since it is larger than the sum of its proper divisors (3022688102).

5221006618 is a wasteful number, since it uses less digits than its factorization.

5221006618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137394932.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 5221006618 is about 72256.5333931818. The cubic root of 5221006618 is about 1734.8079934354.

The spelling of 5221006618 in words is "five billion, two hundred twenty-one million, six thousand, six hundred eighteen".