543976161 has 8 divisors (see below), whose sum is σ = 726033024. Its totient is φ = 362285040.

The previous prime is 543976157. The next prime is 543976193. The reversal of 543976161 is 161679345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 543976161 - 2² = 543976157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (543976661) 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 7 ways as a sum of consecutive naturals, for example, 87945 + ... + 93926.

It is an arithmetic number, because the mean of its divisors is an integer number (90754128).

Almost surely, 2^543976161 is an apocalyptic number.

It is an amenable number.

543976161 is a deficient number, since it is larger than the sum of its proper divisors (182056863).

543976161 is a wasteful number, since it uses less digits than its factorization.

543976161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182871.

The product of its digits is 136080, while the sum is 42.

The square root of 543976161 is about 23323.2965294360. The cubic root of 543976161 is about 816.3190958740.

The spelling of 543976161 in words is "five hundred forty-three million, nine hundred seventy-six thousand, one hundred sixty-one".