16572 has 12 divisors (see below), whose sum is σ = 38696. Its totient is φ = 5520.

The previous prime is 16567. The next prime is 16573. The reversal of 16572 is 27561.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16573) by changing a digit.

16572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679 + ... + 702.

2¹⁶⁵⁷² is an apocalyptic number.

16572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16572 is an abundant number, since it is smaller than the sum of its proper divisors (22124).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19348).

16572 is a wasteful number, since it uses less digits than its factorization.

16572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388 (or 1386 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 16572 is about 128.7322803340. The cubic root of 16572 is about 25.4951932501.

The spelling of 16572 in words is "sixteen thousand, five hundred seventy-two".