4661558101 has 2 divisors, whose sum is σ = 4661558102. Its totient is φ = 4661558100.

The previous prime is 4661558063. The next prime is 4661558113. The reversal of 4661558101 is 1018551664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2771917201 + 1889640900 = 52649^2 + 43470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4661558101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4661558501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2330779050 + 2330779051.

It is an arithmetic number, because the mean of its divisors is an integer number (2330779051).

Almost surely, 2^4661558101 is an apocalyptic number.

It is an amenable number.

4661558101 is a deficient number, since it is larger than the sum of its proper divisors (1).

4661558101 is an equidigital number, since it uses as much as digits as its factorization.

4661558101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 4661558101 is about 68275.6039958637. The cubic root of 4661558101 is about 1670.4893089715.

The spelling of 4661558101 in words is "four billion, six hundred sixty-one million, five hundred fifty-eight thousand, one hundred one".