63161633 has 2 divisors, whose sum is σ = 63161634. Its totient is φ = 63161632.

The previous prime is 63161621. The next prime is 63161653. The reversal of 63161633 is 33616136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62283664 + 877969 = 7892^2 + 937^2 .

It is a cyclic number.

It is not a de Polignac number, because 63161633 - 2⁴ = 63161617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63161596 and 63161605.

It is not a weakly prime, because it can be changed into another prime (63161653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31580816 + 31580817.

It is an arithmetic number, because the mean of its divisors is an integer number (31580817).

Almost surely, 2^63161633 is an apocalyptic number.

It is an amenable number.

63161633 is a deficient number, since it is larger than the sum of its proper divisors (1).

63161633 is an equidigital number, since it uses as much as digits as its factorization.

63161633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 29.

The square root of 63161633 is about 7947.4293328094. The cubic root of 63161633 is about 398.2457195814.

Adding to 63161633 its reverse (33616136), we get a palindrome (96777769).

The spelling of 63161633 in words is "sixty-three million, one hundred sixty-one thousand, six hundred thirty-three".