3805901161 has 4 divisors (see below), whose sum is σ = 3821693524. Its totient is φ = 3790108800.

The previous prime is 3805901131. The next prime is 3805901167. The reversal of 3805901161 is 1611095083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3017414761 + 788486400 = 54931^2 + 28080^2 .

It is a cyclic number.

It is not a de Polignac number, because 3805901161 - 2¹¹ = 3805899113 is a prime.

It is a super-2 number, since 2×3805901161² = 28969767294602295842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3805901167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7895820 + ... + 7896301.

It is an arithmetic number, because the mean of its divisors is an integer number (955423381).

Almost surely, 2^3805901161 is an apocalyptic number.

It is an amenable number.

3805901161 is a deficient number, since it is larger than the sum of its proper divisors (15792363).

3805901161 is a wasteful number, since it uses less digits than its factorization.

3805901161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15792362.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 3805901161 is about 61691.9861975605. The cubic root of 3805901161 is about 1561.2981142535.

The spelling of 3805901161 in words is "three billion, eight hundred five million, nine hundred one thousand, one hundred sixty-one".