163441215 has 48 divisors (see below), whose sum is σ = 330408000. Its totient is φ = 74708928.

The previous prime is 163441199. The next prime is 163441259. The reversal of 163441215 is 512144361.

It is a happy number.

163441215 is a `hidden beast` number, since 1 + 6 + 3 + 441 + 215 = 666.

It is not a de Polignac number, because 163441215 - 2⁴ = 163441199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10141 + ... + 20729.

It is an arithmetic number, because the mean of its divisors is an integer number (6883500).

Almost surely, 2^163441215 is an apocalyptic number.

163441215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

163441215 is an abundant number, since it is smaller than the sum of its proper divisors (166966785).

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

163441215 is a wasteful number, since it uses less digits than its factorization.

163441215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10621 (or 10604 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 163441215 is about 12784.4129704887. The cubic root of 163441215 is about 546.7479886373.

Adding to 163441215 its reverse (512144361), we get a palindrome (675585576).

It can be divided in two parts, 1634 and 41215, that added together give a square (42849 = 207²).

The spelling of 163441215 in words is "one hundred sixty-three million, four hundred forty-one thousand, two hundred fifteen".