676581293918680 has 64 divisors (see below), whose sum is σ = 1528477987196160. Its totient is φ = 269536129450368.

The previous prime is 676581293918633. The next prime is 676581293918683. The reversal of 676581293918680 is 86819392185676.

It is a self number, because there is not a number n which added to its sum of digits gives 676581293918680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676581293918683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34078359 + ... + 50144761.

It is an arithmetic number, because the mean of its divisors is an integer number (23882468549940).

Almost surely, 2^{676581293918680} is an apocalyptic number.

It is an amenable number.

676581293918680 is an abundant number, since it is smaller than the sum of its proper divisors (851896693277480).

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

676581293918680 is a wasteful number, since it uses less digits than its factorization.

676581293918680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16070680 (or 16070676 counting only the distinct ones).

The product of its (nonzero) digits is 1881169920, while the sum is 79.

The spelling of 676581293918680 in words is "six hundred seventy-six trillion, five hundred eighty-one billion, two hundred ninety-three million, nine hundred eighteen thousand, six hundred eighty".