16466488171 has 12 divisors (see below), whose sum is σ = 19193004432. Its totient is φ = 14086051728.

The previous prime is 16466488139. The next prime is 16466488243. The reversal of 16466488171 is 17188466461.

It is a happy number.

It is not a de Polignac number, because 16466488171 - 2⁵ = 16466488139 is a prime.

It is a super-2 number, since 2×16466488171² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16466488771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309400 + ... + 358693.

It is an arithmetic number, because the mean of its divisors is an integer number (1599417036).

Almost surely, 2^16466488171 is an apocalyptic number.

16466488171 is a deficient number, since it is larger than the sum of its proper divisors (2726516261).

16466488171 is an equidigital number, since it uses as much as digits as its factorization.

16466488171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668610 (or 668603 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 52.

The spelling of 16466488171 in words is "sixteen billion, four hundred sixty-six million, four hundred eighty-eight thousand, one hundred seventy-one".