16303171666 has 16 divisors (see below), whose sum is σ = 25917152256. Its totient is φ = 7665005376.

The previous prime is 16303171631. The next prime is 16303171669. The reversal of 16303171666 is 66617130361.

It is not an unprimeable number, because it can be changed into a prime (16303171669) 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 7 ways as a sum of consecutive naturals, for example, 183606 + ... + 257521.

It is an arithmetic number, because the mean of its divisors is an integer number (1619822016).

Almost surely, 2^16303171666 is an apocalyptic number.

16303171666 is a deficient number, since it is larger than the sum of its proper divisors (9613980590).

16303171666 is a wasteful number, since it uses less digits than its factorization.

16303171666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442233.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 16303171666 in words is "sixteen billion, three hundred three million, one hundred seventy-one thousand, six hundred sixty-six".