5208966618 has 16 divisors (see below), whose sum is σ = 10441998336. Its totient is φ = 1732311360.

The previous prime is 5208966613. The next prime is 5208966649. The reversal of 5208966618 is 8166698025.

It is not an unprimeable number, because it can be changed into a prime (5208966613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999898 + ... + 1005093.

It is an arithmetic number, because the mean of its divisors is an integer number (652624896).

Almost surely, 2^5208966618 is an apocalyptic number.

5208966618 is an abundant number, since it is smaller than the sum of its proper divisors (5233031718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5208966618 is a wasteful number, since it uses less digits than its factorization.

5208966618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005429.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 5208966618 is about 72173.1710402141. The cubic root of 5208966618 is about 1733.4734382395.

The spelling of 5208966618 in words is "five billion, two hundred eight million, nine hundred sixty-six thousand, six hundred eighteen".