162241380 has 288 divisors, whose sum is σ = 616412160. Its totient is φ = 34992000.

The previous prime is 162241369. The next prime is 162241381. The reversal of 162241380 is 83142261.

162241380 is a `hidden beast` number, since 1 + 622 + 4 + 1 + 38 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (162241381) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 646255 + ... + 646505.

It is an arithmetic number, because the mean of its divisors is an integer number (2140320).

Almost surely, 2^162241380 is an apocalyptic number.

162241380 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 162241380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308206080).

162241380 is an abundant number, since it is smaller than the sum of its proper divisors (454170780).

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

162241380 is a wasteful number, since it uses less digits than its factorization.

162241380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 162241380 is about 12737.4008337651. The cubic root of 162241380 is about 545.4067944562.

The spelling of 162241380 in words is "one hundred sixty-two million, two hundred forty-one thousand, three hundred eighty".