163433343 has 4 divisors (see below), whose sum is σ = 217911128. Its totient is φ = 108955560.

The previous prime is 163433341. The next prime is 163433353. The reversal of 163433343 is 343334361.

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

It is not a de Polignac number, because 163433343 - 2¹ = 163433341 is a prime.

It is a super-4 number, since 4×163433343⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163433343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163433341) 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, 27238888 + ... + 27238893.

It is an arithmetic number, because the mean of its divisors is an integer number (54477782).

Almost surely, 2^163433343 is an apocalyptic number.

163433343 is a deficient number, since it is larger than the sum of its proper divisors (54477785).

163433343 is an equidigital number, since it uses as much as digits as its factorization.

163433343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54477784.

The product of its digits is 23328, while the sum is 30.

The square root of 163433343 is about 12784.1050918709. The cubic root of 163433343 is about 546.7392106204.

The spelling of 163433343 in words is "one hundred sixty-three million, four hundred thirty-three thousand, three hundred forty-three".