256064662 has 16 divisors (see below), whose sum is σ = 439729920. Its totient is φ = 109551528.

The previous prime is 256064657. The next prime is 256064671. The reversal of 256064662 is 266460652.

It is a happy number.

It is a super-2 number, since 2×256064662² = 131138222250348488, which contains 22 as substring.

It is a congruent number.

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, 7362 + ... + 23797.

It is an arithmetic number, because the mean of its divisors is an integer number (27483120).

Almost surely, 2^256064662 is an apocalyptic number.

256064662 is a deficient number, since it is larger than the sum of its proper divisors (183665258).

256064662 is a wasteful number, since it uses less digits than its factorization.

256064662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31755.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 256064662 is about 16002.0205599168. The cubic root of 256064662 is about 635.0138769778.

The spelling of 256064662 in words is "two hundred fifty-six million, sixty-four thousand, six hundred sixty-two".