29189161 has 4 divisors (see below), whose sum is σ = 29200000. Its totient is φ = 29178324.

The previous prime is 29189159. The next prime is 29189177. The reversal of 29189161 is 16198192.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 29189161 - 2¹ = 29189159 is a prime.

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 29189161.

It is not an unprimeable number, because it can be changed into a prime (29189261) 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 3 ways as a sum of consecutive naturals, for example, 2080 + ... + 7918.

It is an arithmetic number, because the mean of its divisors is an integer number (7300000).

Almost surely, 2^29189161 is an apocalyptic number.

It is an amenable number.

29189161 is a deficient number, since it is larger than the sum of its proper divisors (10839).

29189161 is an equidigital number, since it uses as much as digits as its factorization.

29189161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10838.

The product of its digits is 7776, while the sum is 37.

The square root of 29189161 is about 5402.6994178836. The cubic root of 29189161 is about 307.8982382942.

The spelling of 29189161 in words is "twenty-nine million, one hundred eighty-nine thousand, one hundred sixty-one".