1066866908448 has 144 divisors (see below), whose sum is σ = 3149852717088. Its totient is φ = 315774412800.

The previous prime is 1066866908441. The next prime is 1066866908449. The reversal of 1066866908448 is 8448096686601.

It is a super-2 number, since 2×1066866908448² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (1066866908441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 568473 + ... + 1567448.

It is an arithmetic number, because the mean of its divisors is an integer number (21873977202).

Almost surely, 2^{1066866908448} is an apocalyptic number.

It is an amenable number.

1066866908448 is an abundant number, since it is smaller than the sum of its proper divisors (2082985808640).

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

1066866908448 is a wasteful number, since it uses less digits than its factorization.

1066866908448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135999 (or 2135980 counting only the distinct ones).

The product of its (nonzero) digits is 95551488, while the sum is 66.

The spelling of 1066866908448 in words is "one trillion, sixty-six billion, eight hundred sixty-six million, nine hundred eight thousand, four hundred forty-eight".