63301827161 has 4 divisors (see below), whose sum is σ = 63302460132. Its totient is φ = 63301194192.

The previous prime is 63301827157. The next prime is 63301827187. The reversal of 63301827161 is 16172810336.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 22400809561 + 40901017600 = 149669^2 + 202240^2 .

It is a cyclic number.

It is not a de Polignac number, because 63301827161 - 2² = 63301827157 is a prime.

It is a super-2 number, since 2×63301827161² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63301827151) 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, 129746 + ... + 378731.

It is an arithmetic number, because the mean of its divisors is an integer number (15825615033).

Almost surely, 2^63301827161 is an apocalyptic number.

It is an amenable number.

63301827161 is a deficient number, since it is larger than the sum of its proper divisors (632971).

63301827161 is a wasteful number, since it uses less digits than its factorization.

63301827161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632970.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 63301827161 in words is "sixty-three billion, three hundred one million, eight hundred twenty-seven thousand, one hundred sixty-one".