16651101005 has 24 divisors (see below), whose sum is σ = 25100509056. Its totient is φ = 10379904480.

The previous prime is 16651100989. The next prime is 16651101011. The reversal of 16651101005 is 50010115661.

It is not a de Polignac number, because 16651101005 - 2⁴ = 16651100989 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1961657 + ... + 1970126.

It is an arithmetic number, because the mean of its divisors is an integer number (1045854544).

Almost surely, 2^16651101005 is an apocalyptic number.

It is an amenable number.

16651101005 is a deficient number, since it is larger than the sum of its proper divisors (8449408051).

16651101005 is a wasteful number, since it uses less digits than its factorization.

16651101005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931817 (or 3931806 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 16651101005 its reverse (50010115661), we get a palindrome (66661216666).

The spelling of 16651101005 in words is "sixteen billion, six hundred fifty-one million, one hundred one thousand, five".