16631741189 has 16 divisors (see below), whose sum is σ = 20231202816. Its totient is φ = 13346937600.

The previous prime is 16631741179. The next prime is 16631741207. The reversal of 16631741189 is 98114713661.

It is a cyclic number.

It is not a de Polignac number, because 16631741189 - 2¹² = 16631737093 is a prime.

It is a super-2 number, since 2×16631741189² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16631741179) 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, 343142 + ... + 388599.

It is an arithmetic number, because the mean of its divisors is an integer number (1264450176).

Almost surely, 2^16631741189 is an apocalyptic number.

It is an amenable number.

16631741189 is a deficient number, since it is larger than the sum of its proper divisors (3599461627).

16631741189 is a wasteful number, since it uses less digits than its factorization.

16631741189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731956.

The product of its digits is 217728, while the sum is 47.

The spelling of 16631741189 in words is "sixteen billion, six hundred thirty-one million, seven hundred forty-one thousand, one hundred eighty-nine".