16728882701 has 4 divisors (see below), whose sum is σ = 16835436252. Its totient is φ = 16622329152.

The previous prime is 16728882683. The next prime is 16728882713. The reversal of 16728882701 is 10728882761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6332021476 + 10396861225 = 79574^2 + 101965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16728882701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16728882701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16728882761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53276540 + ... + 53276853.

It is an arithmetic number, because the mean of its divisors is an integer number (4208859063).

Almost surely, 2^16728882701 is an apocalyptic number.

It is an amenable number.

16728882701 is a deficient number, since it is larger than the sum of its proper divisors (106553551).

16728882701 is a wasteful number, since it uses less digits than its factorization.

16728882701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106553550.

The product of its (nonzero) digits is 602112, while the sum is 50.

The spelling of 16728882701 in words is "sixteen billion, seven hundred twenty-eight million, eight hundred eighty-two thousand, seven hundred one".