255680666716 has 6 divisors (see below), whose sum is σ = 447441166760. Its totient is φ = 127840333356.

The previous prime is 255680666713. The next prime is 255680666741. The reversal of 255680666716 is 617666086552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255680666711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31960083336 + ... + 31960083343.

Almost surely, 2^255680666716 is an apocalyptic number.

It is an amenable number.

255680666716 is a deficient number, since it is larger than the sum of its proper divisors (191760500044).

255680666716 is a wasteful number, since it uses less digits than its factorization.

255680666716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63920166683 (or 63920166681 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 255680666716 in words is "two hundred fifty-five billion, six hundred eighty million, six hundred sixty-six thousand, seven hundred sixteen".