16730839668 has 12 divisors (see below), whose sum is σ = 39038625920. Its totient is φ = 5576946552.

The previous prime is 16730839661. The next prime is 16730839687. The reversal of 16730839668 is 86693803761.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16730839661) 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 3 ways as a sum of consecutive naturals, for example, 697118308 + ... + 697118331.

Almost surely, 2^16730839668 is an apocalyptic number.

It is an amenable number.

16730839668 is an abundant number, since it is smaller than the sum of its proper divisors (22307786252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16730839668 is a wasteful number, since it uses less digits than its factorization.

16730839668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394236646 (or 1394236644 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 16730839668 in words is "sixteen billion, seven hundred thirty million, eight hundred thirty-nine thousand, six hundred sixty-eight".