256612466 has 8 divisors (see below), whose sum is σ = 419911344. Its totient is φ = 116642020.

The previous prime is 256612439. The next prime is 256612483. The reversal of 256612466 is 664216652.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 5832080 + ... + 5832123.

It is an arithmetic number, because the mean of its divisors is an integer number (52488918).

Almost surely, 2^256612466 is an apocalyptic number.

256612466 is a deficient number, since it is larger than the sum of its proper divisors (163298878).

256612466 is a wasteful number, since it uses less digits than its factorization.

256612466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11664216.

The product of its digits is 103680, while the sum is 38.

The square root of 256612466 is about 16019.1281285843. The cubic root of 256612466 is about 635.4663868636.

The spelling of 256612466 in words is "two hundred fifty-six million, six hundred twelve thousand, four hundred sixty-six".