63348161 has 4 divisors (see below), whose sum is σ = 63386052. Its totient is φ = 63310272.

The previous prime is 63348149. The next prime is 63348163. The reversal of 63348161 is 16184336.

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 16000000 + 47348161 = 4000^2 + 6881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63348161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63348163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16316 + ... + 19821.

It is an arithmetic number, because the mean of its divisors is an integer number (15846513).

Almost surely, 2^63348161 is an apocalyptic number.

It is an amenable number.

63348161 is a deficient number, since it is larger than the sum of its proper divisors (37891).

63348161 is a wasteful number, since it uses less digits than its factorization.

63348161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37890.

The product of its digits is 10368, while the sum is 32.

The square root of 63348161 is about 7959.1557969423. The cubic root of 63348161 is about 398.6373654219.

The spelling of 63348161 in words is "sixty-three million, three hundred forty-eight thousand, one hundred sixty-one".