163161360 has 120 divisors (see below), whose sum is σ = 576838080. Its totient is φ = 41216256.

The previous prime is 163161347. The next prime is 163161367. The reversal of 163161360 is 63161361.

It is a happy number.

163161360 is a `hidden beast` number, since 16 + 31 + 613 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (163161367) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7717 + ... + 19643.

It is an arithmetic number, because the mean of its divisors is an integer number (4806984).

Almost surely, 2^163161360 is an apocalyptic number.

163161360 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 163161360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288419040).

163161360 is an abundant number, since it is smaller than the sum of its proper divisors (413676720).

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

163161360 is a wasteful number, since it uses less digits than its factorization.

163161360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11965 (or 11956 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 163161360 is about 12773.4631169468. The cubic root of 163161360 is about 546.4357508440.

Subtracting from 163161360 its reverse (63161361), we obtain a palindrome (99999999).

The spelling of 163161360 in words is "one hundred sixty-three million, one hundred sixty-one thousand, three hundred sixty".