1218162960 has 240 divisors, whose sum is σ = 4921887360. Its totient is φ = 263761920.

The previous prime is 1218162947. The next prime is 1218162997. The reversal of 1218162960 is 692618121.

1218162960 is a `hidden beast` number, since 1 + 21 + 8 + 1 + 629 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89400 + ... + 102120.

It is an arithmetic number, because the mean of its divisors is an integer number (20507864).

Almost surely, 2^1218162960 is an apocalyptic number.

1218162960 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 1218162960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2460943680).

1218162960 is an abundant number, since it is smaller than the sum of its proper divisors (3703724400).

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

1218162960 is a wasteful number, since it uses less digits than its factorization.

1218162960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12766 (or 12757 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 1218162960 is about 34902.1913352156. The cubic root of 1218162960 is about 1067.9931405527.

The spelling of 1218162960 in words is "one billion, two hundred eighteen million, one hundred sixty-two thousand, nine hundred sixty".