16668169948 has 12 divisors (see below), whose sum is σ = 29196797112. Its totient is φ = 8326227920.

The previous prime is 16668169913. The next prime is 16668169981. The reversal of 16668169948 is 84996186661.

It is a self number, because there is not a number n which added to its sum of digits gives 16668169948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1959490 + ... + 1967977.

It is an arithmetic number, because the mean of its divisors is an integer number (2433066426).

Almost surely, 2^16668169948 is an apocalyptic number.

It is an amenable number.

16668169948 is a deficient number, since it is larger than the sum of its proper divisors (12528627164).

16668169948 is a wasteful number, since it uses less digits than its factorization.

16668169948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928532 (or 3928530 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 64.

The spelling of 16668169948 in words is "sixteen billion, six hundred sixty-eight million, one hundred sixty-nine thousand, nine hundred forty-eight".