218160045144 has 64 divisors (see below), whose sum is σ = 641647202400. Its totient is φ = 68442365952.

The previous prime is 218160045143. The next prime is 218160045223. The reversal of 218160045144 is 441540061812.

218160045144 is a `hidden beast` number, since 2 + 1 + 8 + 1 + 600 + 4 + 5 + 1 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 218160045099 and 218160045108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218160045143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29702217 + ... + 29709560.

Almost surely, 2^218160045144 is an apocalyptic number.

218160045144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

218160045144 is an abundant number, since it is smaller than the sum of its proper divisors (423487157256).

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

218160045144 is a wasteful number, since it uses less digits than its factorization.

218160045144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59411809 (or 59411799 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 218160045144 in words is "two hundred eighteen billion, one hundred sixty million, forty-five thousand, one hundred forty-four".