163432213 has 8 divisors (see below), whose sum is σ = 188879040. Its totient is φ = 138510240.

The previous prime is 163432151. The next prime is 163432249. The reversal of 163432213 is 312234361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163432213 - 2¹³ = 163424021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163432253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130543 + ... + 131788.

It is an arithmetic number, because the mean of its divisors is an integer number (23609880).

Almost surely, 2^163432213 is an apocalyptic number.

It is an amenable number.

163432213 is a deficient number, since it is larger than the sum of its proper divisors (25446827).

163432213 is an equidigital number, since it uses as much as digits as its factorization.

163432213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262427.

The product of its digits is 2592, while the sum is 25.

The square root of 163432213 is about 12784.0608962880. The cubic root of 163432213 is about 546.7379505414.

Adding to 163432213 its reverse (312234361), we get a palindrome (475666574).

The spelling of 163432213 in words is "one hundred sixty-three million, four hundred thirty-two thousand, two hundred thirteen".