163432432 has 10 divisors (see below), whose sum is σ = 316650368. Its totient is φ = 81716208.

The previous prime is 163432427. The next prime is 163432499. The reversal of 163432432 is 234234361.

It is a self number, because there is not a number n which added to its sum of digits gives 163432432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5107248 + ... + 5107279.

Almost surely, 2^163432432 is an apocalyptic number.

It is an amenable number.

163432432 is a deficient number, since it is larger than the sum of its proper divisors (153217936).

163432432 is a wasteful number, since it uses less digits than its factorization.

163432432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10214535 (or 10214529 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

The square root of 163432432 is about 12784.0694616386. The cubic root of 163432432 is about 546.7381947519.

Adding to 163432432 its reverse (234234361), we get a palindrome (397666793).

The spelling of 163432432 in words is "one hundred sixty-three million, four hundred thirty-two thousand, four hundred thirty-two".