16871703161 has 4 divisors (see below), whose sum is σ = 16920046500. Its totient is φ = 16823359824.

The previous prime is 16871703157. The next prime is 16871703217. The reversal of 16871703161 is 16130717861.

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 7242010000 + 9629693161 = 85100^2 + 98131^2 .

It is a cyclic number.

It is not a de Polignac number, because 16871703161 - 2² = 16871703157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16871703151) 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, 24171146 + ... + 24171843.

It is an arithmetic number, because the mean of its divisors is an integer number (4230011625).

Almost surely, 2^16871703161 is an apocalyptic number.

It is an amenable number.

16871703161 is a deficient number, since it is larger than the sum of its proper divisors (48343339).

16871703161 is an equidigital number, since it uses as much as digits as its factorization.

16871703161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48343338.

The product of its (nonzero) digits is 42336, while the sum is 41.

The spelling of 16871703161 in words is "sixteen billion, eight hundred seventy-one million, seven hundred three thousand, one hundred sixty-one".