255646696 has 16 divisors (see below), whose sum is σ = 490485600. Its totient is φ = 124850544.

The previous prime is 255646693. The next prime is 255646717. The reversal of 255646696 is 696646552.

It is not an unprimeable number, because it can be changed into a prime (255646693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371236 + ... + 371923.

It is an arithmetic number, because the mean of its divisors is an integer number (30655350).

Almost surely, 2^255646696 is an apocalyptic number.

It is an amenable number.

255646696 is a deficient number, since it is larger than the sum of its proper divisors (234838904).

255646696 is a wasteful number, since it uses less digits than its factorization.

255646696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743208 (or 743204 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 49.

The square root of 255646696 is about 15988.9554380516. The cubic root of 255646696 is about 634.6681846722.

The spelling of 255646696 in words is "two hundred fifty-five million, six hundred forty-six thousand, six hundred ninety-six".