163343641 has 8 divisors (see below), whose sum is σ = 167935680. Its totient is φ = 158761008.

The previous prime is 163343623. The next prime is 163343651. The reversal of 163343641 is 146343361.

It is a happy number.

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 163343641 - 2¹³ = 163335449 is a prime.

It is a super-2 number, since 2×163343641² = 53362290110273762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163343651) 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, 47130 + ... + 50476.

It is an arithmetic number, because the mean of its divisors is an integer number (20991960).

Almost surely, 2^163343641 is an apocalyptic number.

It is an amenable number.

163343641 is a deficient number, since it is larger than the sum of its proper divisors (4592039).

163343641 is a wasteful number, since it uses less digits than its factorization.

163343641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703.

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

The square root of 163343641 is about 12780.5962693452. The cubic root of 163343641 is about 546.6391645808.

The spelling of 163343641 in words is "one hundred sixty-three million, three hundred forty-three thousand, six hundred forty-one".