16729989186 has 16 divisors (see below), whose sum is σ = 33464700000. Its totient is φ = 5575876128.

The previous prime is 16729989181. The next prime is 16729989203. The reversal of 16729989186 is 68198992761.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16729989181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149811 + ... + 236438.

It is an arithmetic number, because the mean of its divisors is an integer number (2091543750).

Almost surely, 2^16729989186 is an apocalyptic number.

16729989186 is an abundant number, since it is smaller than the sum of its proper divisors (16734710814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16729989186 is a wasteful number, since it uses less digits than its factorization.

16729989186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393473.

The product of its digits is 23514624, while the sum is 66.

The spelling of 16729989186 in words is "sixteen billion, seven hundred twenty-nine million, nine hundred eighty-nine thousand, one hundred eighty-six".