63571161 has 16 divisors (see below), whose sum is σ = 88516800. Its totient is φ = 40531008.

The previous prime is 63571159. The next prime is 63571171. The reversal of 63571161 is 16117536.

It is not a de Polignac number, because 63571161 - 2¹ = 63571159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63571121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5895 + ... + 12723.

It is an arithmetic number, because the mean of its divisors is an integer number (5532300).

Almost surely, 2^63571161 is an apocalyptic number.

It is an amenable number.

63571161 is a deficient number, since it is larger than the sum of its proper divisors (24945639).

63571161 is a wasteful number, since it uses less digits than its factorization.

63571161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6968.

The product of its digits is 3780, while the sum is 30.

The square root of 63571161 is about 7973.1525132785. The cubic root of 63571161 is about 399.1045824810.

Adding to 63571161 its reverse (16117536), we get a palindrome (79688697).

The spelling of 63571161 in words is "sixty-three million, five hundred seventy-one thousand, one hundred sixty-one".