16727166 has 36 divisors (see below), whose sum is σ = 37487736. Its totient is φ = 5390280.

The previous prime is 16727131. The next prime is 16727173. The reversal of 16727166 is 66172761.

It is a self number, because there is not a number n which added to its sum of digits gives 16727166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16815 + ... + 17781.

It is an arithmetic number, because the mean of its divisors is an integer number (1041326).

Almost surely, 2^16727166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16727166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18743868).

16727166 is an abundant number, since it is smaller than the sum of its proper divisors (20760570).

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

16727166 is a wasteful number, since it uses less digits than its factorization.

16727166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037 (or 1003 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 16727166 is about 4089.8858174771. The cubic root of 16727166 is about 255.7451789725.

The spelling of 16727166 in words is "sixteen million, seven hundred twenty-seven thousand, one hundred sixty-six".