1218500160 has 224 divisors, whose sum is σ = 4127967360. Its totient is φ = 303464448.

The previous prime is 1218500147. The next prime is 1218500161. The reversal of 1218500160 is 610058121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1218500160.

It is not an unprimeable number, because it can be changed into a prime (1218500161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3214851 + ... + 3215229.

Almost surely, 2^1218500160 is an apocalyptic number.

1218500160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1218500160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2063983680).

1218500160 is an abundant number, since it is smaller than the sum of its proper divisors (2909467200).

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

1218500160 is a wasteful number, since it uses less digits than its factorization.

1218500160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 1218500160 is about 34907.0216432167. The cubic root of 1218500160 is about 1068.0916752794.

Adding to 1218500160 its reverse (610058121), we get a palindrome (1828558281).

The spelling of 1218500160 in words is "one billion, two hundred eighteen million, five hundred thousand, one hundred sixty".