163424371 has 4 divisors (see below), whose sum is σ = 178281144. Its totient is φ = 148567600.

The previous prime is 163424347. The next prime is 163424399. The reversal of 163424371 is 173424361.

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 163424371 - 2¹⁹ = 162900083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163425371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7428370 + ... + 7428391.

It is an arithmetic number, because the mean of its divisors is an integer number (44570286).

Almost surely, 2^163424371 is an apocalyptic number.

163424371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

163424371 is a deficient number, since it is larger than the sum of its proper divisors (14856773).

163424371 is a wasteful number, since it uses less digits than its factorization.

163424371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14856772.

The product of its digits is 12096, while the sum is 31.

The square root of 163424371 is about 12783.7541825553. The cubic root of 163424371 is about 546.7292056567.

The spelling of 163424371 in words is "one hundred sixty-three million, four hundred twenty-four thousand, three hundred seventy-one".