16171056 has 160 divisors (see below), whose sum is σ = 52496640. Its totient is φ = 4723200.

The previous prime is 16171027. The next prime is 16171061. The reversal of 16171056 is 65017161.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194791 + ... + 194873.

It is an arithmetic number, because the mean of its divisors is an integer number (328104).

Almost surely, 2^16171056 is an apocalyptic number.

16171056 is a gapful number since it is divisible by the number (16) 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 16171056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26248320).

16171056 is an abundant number, since it is smaller than the sum of its proper divisors (36325584).

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

16171056 is a wasteful number, since it uses less digits than its factorization.

16171056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 16171056 is about 4021.3251547220. The cubic root of 16171056 is about 252.8790164522.

It can be divided in two parts, 161 and 71056, that added together give a palindrome (71217).

The spelling of 16171056 in words is "sixteen million, one hundred seventy-one thousand, fifty-six".