16829743657 has 16 divisors (see below), whose sum is σ = 18166944384. Its totient is φ = 15532704000.

The previous prime is 16829743621. The next prime is 16829743661. The reversal of 16829743657 is 75634792861.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16829743657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16829743457) 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, 318732 + ... + 367762.

It is an arithmetic number, because the mean of its divisors is an integer number (1135434024).

Almost surely, 2^16829743657 is an apocalyptic number.

16829743657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16829743657 is a deficient number, since it is larger than the sum of its proper divisors (1337200727).

16829743657 is a wasteful number, since it uses less digits than its factorization.

16829743657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49440.

The product of its digits is 15240960, while the sum is 58.

The spelling of 16829743657 in words is "sixteen billion, eight hundred twenty-nine million, seven hundred forty-three thousand, six hundred fifty-seven".