16669643330 has 16 divisors (see below), whose sum is σ = 30973273344. Its totient is φ = 6452765040.

The previous prime is 16669643303. The next prime is 16669643351. The reversal of 16669643330 is 3334696661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26886212 + ... + 26886831.

It is an arithmetic number, because the mean of its divisors is an integer number (1935829584).

Almost surely, 2^16669643330 is an apocalyptic number.

16669643330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16669643330 is a deficient number, since it is larger than the sum of its proper divisors (14303630014).

16669643330 is a wasteful number, since it uses less digits than its factorization.

16669643330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53773081.

The product of its (nonzero) digits is 1259712, while the sum is 47.

The spelling of 16669643330 in words is "sixteen billion, six hundred sixty-nine million, six hundred forty-three thousand, three hundred thirty".