16680730479 has 24 divisors (see below), whose sum is σ = 25888053888. Its totient is φ = 9525988080.

The previous prime is 16680730457. The next prime is 16680730501. The reversal of 16680730479 is 97403708661.

It is an interprime number because it is at equal distance from previous prime (16680730457) and next prime (16680730501).

It is not a de Polignac number, because 16680730479 - 2⁷ = 16680730351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16680730579) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211014 + ... + 279084.

It is an arithmetic number, because the mean of its divisors is an integer number (1078668912).

Almost surely, 2^16680730479 is an apocalyptic number.

16680730479 is a deficient number, since it is larger than the sum of its proper divisors (9207323409).

16680730479 is a wasteful number, since it uses less digits than its factorization.

16680730479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69755 (or 69748 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 16680730479 in words is "sixteen billion, six hundred eighty million, seven hundred thirty thousand, four hundred seventy-nine".