5571342618 has 16 divisors (see below), whose sum is σ = 11161674720. Its totient is φ = 1853949296.

The previous prime is 5571342587. The next prime is 5571342677. The reversal of 5571342618 is 8162431755.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5571342618.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787413 + ... + 794456.

It is an arithmetic number, because the mean of its divisors is an integer number (697604670).

Almost surely, 2^5571342618 is an apocalyptic number.

5571342618 is an abundant number, since it is smaller than the sum of its proper divisors (5590332102).

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

5571342618 is a wasteful number, since it uses less digits than its factorization.

5571342618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582461.

The product of its digits is 201600, while the sum is 42.

The square root of 5571342618 is about 74641.4269558132. The cubic root of 5571342618 is about 1772.7736544403.

The spelling of 5571342618 in words is "five billion, five hundred seventy-one million, three hundred forty-two thousand, six hundred eighteen".