4661558099 has 16 divisors (see below), whose sum is σ = 5219593344. Its totient is φ = 4126305600.

The previous prime is 4661558063. The next prime is 4661558101. The reversal of 4661558099 is 9908551664.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4661558099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4661558099.

It is not an unprimeable number, because it can be changed into a prime (4661558039) 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 in 15 ways as a sum of consecutive naturals, for example, 225992 + ... + 245754.

It is an arithmetic number, because the mean of its divisors is an integer number (326224584).

Almost surely, 2^4661558099 is an apocalyptic number.

4661558099 is a deficient number, since it is larger than the sum of its proper divisors (558035245).

4661558099 is a wasteful number, since it uses less digits than its factorization.

4661558099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20338.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The square root of 4661558099 is about 68275.6039812172. The cubic root of 4661558099 is about 1670.4893087326.

The spelling of 4661558099 in words is "four billion, six hundred sixty-one million, five hundred fifty-eight thousand, ninety-nine".