16842268671 has 4 divisors (see below), whose sum is σ = 22456358232. Its totient is φ = 11228179112.

The previous prime is 16842268649. The next prime is 16842268699. The reversal of 16842268671 is 17686224861.

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

It is a cyclic number.

It is not a de Polignac number, because 16842268671 - 2²¹ = 16840171519 is a prime.

It is a super-2 number, since 2×16842268671² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16842268631) 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, 2807044776 + ... + 2807044781.

It is an arithmetic number, because the mean of its divisors is an integer number (5614089558).

Almost surely, 2^16842268671 is an apocalyptic number.

16842268671 is a deficient number, since it is larger than the sum of its proper divisors (5614089561).

16842268671 is an equidigital number, since it uses as much as digits as its factorization.

16842268671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614089560.

The product of its digits is 1548288, while the sum is 51.

The spelling of 16842268671 in words is "sixteen billion, eight hundred forty-two million, two hundred sixty-eight thousand, six hundred seventy-one".