16552256 has 28 divisors (see below), whose sum is σ = 37539168. Its totient is φ = 7093632.

The previous prime is 16552253. The next prime is 16552267. The reversal of 16552256 is 65225561.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16552253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18026 + ... + 18921.

Almost surely, 2^16552256 is an apocalyptic number.

16552256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16552256 is an abundant number, since it is smaller than the sum of its proper divisors (20986912).

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

16552256 is an equidigital number, since it uses as much as digits as its factorization.

16552256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36966 (or 36956 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 16552256 is about 4068.4463865215. The cubic root of 16552256 is about 254.8506417419.

The spelling of 16552256 in words is "sixteen million, five hundred fifty-two thousand, two hundred fifty-six".