255245665206 has 64 divisors (see below), whose sum is σ = 584786151936. Its totient is φ = 72756576000.

The previous prime is 255245665159. The next prime is 255245665211. The reversal of 255245665206 is 602566542552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54040761 + ... + 54045483.

It is an arithmetic number, because the mean of its divisors is an integer number (9137283624).

Almost surely, 2^255245665206 is an apocalyptic number.

255245665206 is an abundant number, since it is smaller than the sum of its proper divisors (329540486730).

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

255245665206 is a wasteful number, since it uses less digits than its factorization.

255245665206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7477.

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 255245665206 in words is "two hundred fifty-five billion, two hundred forty-five million, six hundred sixty-five thousand, two hundred six".