163463431 has 4 divisors (see below), whose sum is σ = 163788912. Its totient is φ = 163137952.

The previous prime is 163463429. The next prime is 163463467. The reversal of 163463431 is 134364361.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 163463431 - 2¹ = 163463429 is a prime.

It is a super-2 number, since 2×163463431² = 53440586548583522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163463393 and 163463402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163463471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161986 + ... + 162991.

It is an arithmetic number, because the mean of its divisors is an integer number (40947228).

Almost surely, 2^163463431 is an apocalyptic number.

163463431 is a deficient number, since it is larger than the sum of its proper divisors (325481).

163463431 is an equidigital number, since it uses as much as digits as its factorization.

163463431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325480.

The product of its digits is 15552, while the sum is 31.

The square root of 163463431 is about 12785.2818115206. The cubic root of 163463431 is about 546.7727600370.

The spelling of 163463431 in words is "one hundred sixty-three million, four hundred sixty-three thousand, four hundred thirty-one".