163632216 has 32 divisors (see below), whose sum is σ = 446270400. Its totient is φ = 49585440.

The previous prime is 163632197. The next prime is 163632233. The reversal of 163632216 is 612236361.

It is a super-2 number, since 2×163632216² = 53551004226141312, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309646 + ... + 310173.

It is an arithmetic number, because the mean of its divisors is an integer number (13945950).

Almost surely, 2^163632216 is an apocalyptic number.

It is an amenable number.

163632216 is an abundant number, since it is smaller than the sum of its proper divisors (282638184).

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

163632216 is a wasteful number, since it uses less digits than its factorization.

163632216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619839 (or 619835 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 163632216 is about 12791.8808624846. The cubic root of 163632216 is about 546.9608863030.

Adding to 163632216 its reverse (612236361), we get a palindrome (775868577).

The spelling of 163632216 in words is "one hundred sixty-three million, six hundred thirty-two thousand, two hundred sixteen".