7105161 has 8 divisors (see below), whose sum is σ = 10826944. Its totient is φ = 4060080.

The previous prime is 7105159. The next prime is 7105207. The reversal of 7105161 is 1615017.

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

It is not a de Polignac number, because 7105161 - 2¹ = 7105159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 338341 = 7105161 / (7 + 1 + 0 + 5 + 1 + 6 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7105141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169150 + ... + 169191.

It is an arithmetic number, because the mean of its divisors is an integer number (1353368).

Almost surely, 2^7105161 is an apocalyptic number.

It is an amenable number.

7105161 is a deficient number, since it is larger than the sum of its proper divisors (3721783).

7105161 is a wasteful number, since it uses less digits than its factorization.

7105161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338351.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 7105161 is about 2665.5507873608. The cubic root of 7105161 is about 192.2462930839.

The spelling of 7105161 in words is "seven million, one hundred five thousand, one hundred sixty-one".