16664361189 has 32 divisors (see below), whose sum is σ = 26931800064. Its totient is φ = 8959135680.

The previous prime is 16664361173. The next prime is 16664361211. The reversal of 16664361189 is 98116346661.

It is not a de Polignac number, because 16664361189 - 2⁴ = 16664361173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16664361139) 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 31 ways as a sum of consecutive naturals, for example, 253339 + ... + 312264.

It is an arithmetic number, because the mean of its divisors is an integer number (841618752).

Almost surely, 2^16664361189 is an apocalyptic number.

It is an amenable number.

16664361189 is a deficient number, since it is larger than the sum of its proper divisors (10267438875).

16664361189 is a wasteful number, since it uses less digits than its factorization.

16664361189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565697.

The product of its digits is 1119744, while the sum is 51.

The spelling of 16664361189 in words is "sixteen billion, six hundred sixty-four million, three hundred sixty-one thousand, one hundred eighty-nine".