16988155929 has 12 divisors (see below), whose sum is σ = 24540243156. Its totient is φ = 11324608512.

The previous prime is 16988155927. The next prime is 16988155937. The reversal of 16988155929 is 92955188961.

It can be written as a sum of positive squares in 2 ways, for example, as 13013105625 + 3975050304 = 114075^2 + 63048^2 .

It is not a de Polignac number, because 16988155929 - 2¹ = 16988155927 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16988155927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77017 + ... + 199769.

It is an arithmetic number, because the mean of its divisors is an integer number (2045020263).

Almost surely, 2^16988155929 is an apocalyptic number.

It is an amenable number.

16988155929 is a deficient number, since it is larger than the sum of its proper divisors (7552087227).

16988155929 is a wasteful number, since it uses less digits than its factorization.

16988155929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138136 (or 138133 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 63.

The spelling of 16988155929 in words is "sixteen billion, nine hundred eighty-eight million, one hundred fifty-five thousand, nine hundred twenty-nine".