4661640201133 has 2 divisors, whose sum is σ = 4661640201134. Its totient is φ = 4661640201132.

The previous prime is 4661640201103. The next prime is 4661640201173. The reversal of 4661640201133 is 3311020461664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3149925688809 + 1511714512324 = 1774803^2 + 1229518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4661640201133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4661640201092 and 4661640201101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4661640201103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2330820100566 + 2330820100567.

It is an arithmetic number, because the mean of its divisors is an integer number (2330820100567).

Almost surely, 2^{4661640201133} is an apocalyptic number.

It is an amenable number.

4661640201133 is a deficient number, since it is larger than the sum of its proper divisors (1).

4661640201133 is an equidigital number, since it uses as much as digits as its factorization.

4661640201133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 4661640201133 its reverse (3311020461664), we get a palindrome (7972660662797).

The spelling of 4661640201133 in words is "four trillion, six hundred sixty-one billion, six hundred forty million, two hundred one thousand, one hundred thirty-three".