543622161 has 8 divisors (see below), whose sum is σ = 724938624. Its totient is φ = 362360240.

The previous prime is 543622159. The next prime is 543622193. The reversal of 543622161 is 161226345.

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 543622161 - 2¹ = 543622159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (543622111) 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, 26515 + ... + 42311.

It is an arithmetic number, because the mean of its divisors is an integer number (90617328).

Almost surely, 2^543622161 is an apocalyptic number.

It is an amenable number.

543622161 is a deficient number, since it is larger than the sum of its proper divisors (181316463).

543622161 is a wasteful number, since it uses less digits than its factorization.

543622161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27271.

The product of its digits is 8640, while the sum is 30.

The square root of 543622161 is about 23315.7063157006. The cubic root of 543622161 is about 816.1419804729.

The spelling of 543622161 in words is "five hundred forty-three million, six hundred twenty-two thousand, one hundred sixty-one".