16740439066 has 16 divisors (see below), whose sum is σ = 27160345800. Its totient is φ = 7692614208.

The previous prime is 16740439057. The next prime is 16740439097. The reversal of 16740439066 is 66093404761.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15255955225 + 1484483841 = 123515^2 + 38529^2 .

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 7 ways as a sum of consecutive naturals, for example, 1399861 + ... + 1411768.

Almost surely, 2^16740439066 is an apocalyptic number.

16740439066 is a deficient number, since it is larger than the sum of its proper divisors (10419906734).

16740439066 is a wasteful number, since it uses less digits than its factorization.

16740439066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811873.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 16740439066 in words is "sixteen billion, seven hundred forty million, four hundred thirty-nine thousand, sixty-six".