5505516618 has 48 divisors (see below), whose sum is σ = 12922182720. Its totient is φ = 1559074944.

The previous prime is 5505516473. The next prime is 5505516637. The reversal of 5505516618 is 8166155055.

It is a super-3 number, since 3×5505516618³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 5505516618.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49638 + ... + 116081.

It is an arithmetic number, because the mean of its divisors is an integer number (269212140).

Almost surely, 2^5505516618 is an apocalyptic number.

5505516618 is an abundant number, since it is smaller than the sum of its proper divisors (7416666102).

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

5505516618 is a wasteful number, since it uses less digits than its factorization.

5505516618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165851 (or 165844 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 42.

The square root of 5505516618 is about 74199.1685802476. The cubic root of 5505516618 is about 1765.7641396425.

The spelling of 5505516618 in words is "five billion, five hundred five million, five hundred sixteen thousand, six hundred eighteen".