268673563660 has 24 divisors (see below), whose sum is σ = 566140142736. Its totient is φ = 107102633280.

The previous prime is 268673563649. The next prime is 268673563667. The reversal of 268673563660 is 66365376862.

It is a junction number, because it is equal to n+sod(n) for n = 268673563595 and 268673563604.

It is not an unprimeable number, because it can be changed into a prime (268673563667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22918506 + ... + 22930225.

It is an arithmetic number, because the mean of its divisors is an integer number (23589172614).

Almost surely, 2^268673563660 is an apocalyptic number.

268673563660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268673563660 is an abundant number, since it is smaller than the sum of its proper divisors (297466579076).

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

268673563660 is a wasteful number, since it uses less digits than its factorization.

268673563660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45849033 (or 45849031 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 58.

The spelling of 268673563660 in words is "two hundred sixty-eight billion, six hundred seventy-three million, five hundred sixty-three thousand, six hundred sixty".