4161143201 has 4 divisors (see below), whose sum is σ = 4170170004. Its totient is φ = 4152116400.

The previous prime is 4161143191. The next prime is 4161143219. The reversal of 4161143201 is 1023411614.

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 609102400 + 3552040801 = 24680^2 + 59599^2 .

It is a cyclic number.

It is not a de Polignac number, because 4161143201 - 2²² = 4156948897 is a prime.

It is a super-2 number, since 2×4161143201² = 34630225478457052802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4161143251) 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 3 ways as a sum of consecutive naturals, for example, 4512710 + ... + 4513631.

It is an arithmetic number, because the mean of its divisors is an integer number (1042542501).

Almost surely, 2^4161143201 is an apocalyptic number.

It is an amenable number.

4161143201 is a deficient number, since it is larger than the sum of its proper divisors (9026803).

4161143201 is an equidigital number, since it uses as much as digits as its factorization.

4161143201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9026802.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 4161143201 is about 64506.9236671537. The cubic root of 4161143201 is about 1608.4376135869.

Adding to 4161143201 its reverse (1023411614), we get a palindrome (5184554815).

The spelling of 4161143201 in words is "four billion, one hundred sixty-one million, one hundred forty-three thousand, two hundred one".