16328256 has 56 divisors (see below), whose sum is σ = 49377600. Its totient is φ = 4664832.

The previous prime is 16328243. The next prime is 16328267. The reversal of 16328256 is 65282361.

16328256 = T₁₃ + T₁₄ + ... + T₄₆₀.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×16328256² = 533223888003072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4731 + ... + 7418.

Almost surely, 2^16328256 is an apocalyptic number.

16328256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16328256 is an abundant number, since it is smaller than the sum of its proper divisors (33049344).

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

16328256 is a wasteful number, since it uses less digits than its factorization.

16328256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12171 (or 12161 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 16328256 is about 4040.8236784101. The cubic root of 16328256 is about 253.6957938683.

The spelling of 16328256 in words is "sixteen million, three hundred twenty-eight thousand, two hundred fifty-six".