256006662 has 8 divisors (see below), whose sum is σ = 512013336. Its totient is φ = 85335552.

The previous prime is 256006651. The next prime is 256006679. The reversal of 256006662 is 266600652.

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

256006662 is an admirable number.

It is a congruent number.

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, 21333883 + ... + 21333894.

It is an arithmetic number, because the mean of its divisors is an integer number (64001667).

Almost surely, 2^256006662 is an apocalyptic number.

256006662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

256006662 is a wasteful number, since it uses less digits than its factorization.

256006662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42667782.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 256006662 is about 16000.2081861456. The cubic root of 256006662 is about 634.9659286904.

The spelling of 256006662 in words is "two hundred fifty-six million, six thousand, six hundred sixty-two".