16850166685184 has 160 divisors (see below), whose sum is σ = 39521883937536. Its totient is φ = 7028000686080.

The previous prime is 16850166685153. The next prime is 16850166685189. The reversal of 16850166685184 is 48158666105861.

It is a super-2 number, since 2×16850166685184² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16850166685184.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16850166685189) 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, 19507904 + ... + 20353344.

Almost surely, 2^{16850166685184} is an apocalyptic number.

16850166685184 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16850166685184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19760941968768).

16850166685184 is an abundant number, since it is smaller than the sum of its proper divisors (22671717252352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16850166685184 is an frugal number, since it uses more digits than its factorization.

16850166685184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845616 (or 845600 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 65.

The spelling of 16850166685184 in words is "sixteen trillion, eight hundred fifty billion, one hundred sixty-six million, six hundred eighty-five thousand, one hundred eighty-four".