1663130632133 has 2 divisors, whose sum is σ = 1663130632134. Its totient is φ = 1663130632132.

The previous prime is 1663130632129. The next prime is 1663130632151. The reversal of 1663130632133 is 3312360313661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1556510750404 + 106619881729 = 1247602^2 + 326527^2 .

It is a cyclic number.

It is not a de Polignac number, because 1663130632133 - 2² = 1663130632129 is a prime.

It is a super-2 number, since 2×1663130632133² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1663130632333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831565316066 + 831565316067.

It is an arithmetic number, because the mean of its divisors is an integer number (831565316067).

Almost surely, 2^{1663130632133} is an apocalyptic number.

It is an amenable number.

1663130632133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1663130632133 is an equidigital number, since it uses as much as digits as its factorization.

1663130632133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 38.

Adding to 1663130632133 its reverse (3312360313661), we get a palindrome (4975490945794).

The spelling of 1663130632133 in words is "one trillion, six hundred sixty-three billion, one hundred thirty million, six hundred thirty-two thousand, one hundred thirty-three".