16669879305 has 16 divisors (see below), whose sum is σ = 26811454464. Its totient is φ = 8844053120.

The previous prime is 16669879223. The next prime is 16669879307. The reversal of 16669879305 is 50397896661.

It is not a de Polignac number, because 16669879305 - 2⁸ = 16669879049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16669879307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2906364 + ... + 2912093.

It is an arithmetic number, because the mean of its divisors is an integer number (1675715904).

Almost surely, 2^16669879305 is an apocalyptic number.

16669879305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16669879305 is a deficient number, since it is larger than the sum of its proper divisors (10141575159).

16669879305 is a wasteful number, since it uses less digits than its factorization.

16669879305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5818656.

The product of its (nonzero) digits is 14696640, while the sum is 60.

The spelling of 16669879305 in words is "sixteen billion, six hundred sixty-nine million, eight hundred seventy-nine thousand, three hundred five".