256112016 has 20 divisors (see below), whose sum is σ = 661622832. Its totient is φ = 85370656.

The previous prime is 256112009. The next prime is 256112041. The reversal of 256112016 is 610211652.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2667786 + ... + 2667881.

Almost surely, 2^256112016 is an apocalyptic number.

It is an amenable number.

256112016 is an abundant number, since it is smaller than the sum of its proper divisors (405510816).

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

256112016 is a wasteful number, since it uses less digits than its factorization.

256112016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5335678 (or 5335672 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 256112016 is about 16003.5001171619. The cubic root of 256112016 is about 635.0530189058.

Adding to 256112016 its reverse (610211652), we get a palindrome (866323668).

The spelling of 256112016 in words is "two hundred fifty-six million, one hundred twelve thousand, sixteen".