63511161 has 8 divisors (see below), whose sum is σ = 96778944. Its totient is φ = 36292080.

The previous prime is 63511127. The next prime is 63511163. The reversal of 63511161 is 16111536.

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

It is not a de Polignac number, because 63511161 - 2⁹ = 63510649 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63511163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1512150 + ... + 1512191.

It is an arithmetic number, because the mean of its divisors is an integer number (12097368).

Almost surely, 2^63511161 is an apocalyptic number.

It is an amenable number.

63511161 is a deficient number, since it is larger than the sum of its proper divisors (33267783).

63511161 is a wasteful number, since it uses less digits than its factorization.

63511161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024351.

The product of its digits is 540, while the sum is 24.

The square root of 63511161 is about 7969.3889979094. The cubic root of 63511161 is about 398.9789814369.

Adding to 63511161 its reverse (16111536), we get a palindrome (79622697).

The spelling of 63511161 in words is "sixty-three million, five hundred eleven thousand, one hundred sixty-one".