1068666573616 has 80 divisors (see below), whose sum is σ = 2200401843840. Its totient is φ = 501834009600.

The previous prime is 1068666573593. The next prime is 1068666573647. The reversal of 1068666573616 is 6163756668601.

It is a happy number.

It is a super-2 number, since 2×1068666573616² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107930266 + ... + 107940166.

It is an arithmetic number, because the mean of its divisors is an integer number (27505023048).

Almost surely, 2^{1068666573616} is an apocalyptic number.

1068666573616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1068666573616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1100200921920).

1068666573616 is an abundant number, since it is smaller than the sum of its proper divisors (1131735270224).

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

1068666573616 is a wasteful number, since it uses less digits than its factorization.

1068666573616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16262 (or 16256 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 1068666573616 in words is "one trillion, sixty-eight billion, six hundred sixty-six million, five hundred seventy-three thousand, six hundred sixteen".