1066608589816 has 32 divisors (see below), whose sum is σ = 2493370730880. Its totient is φ = 415561788000.

The previous prime is 1066608589807. The next prime is 1066608589817. The reversal of 1066608589816 is 6189858066601.

It is a super-2 number, since 2×1066608589816² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066608589817) 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, 865753110 + ... + 865754341.

It is an arithmetic number, because the mean of its divisors is an integer number (77917835340).

Almost surely, 2^{1066608589816} is an apocalyptic number.

It is an amenable number.

1066608589816 is an abundant number, since it is smaller than the sum of its proper divisors (1426762141064).

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

1066608589816 is a wasteful number, since it uses less digits than its factorization.

1066608589816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731507475 (or 1731507471 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 64.

The spelling of 1066608589816 in words is "one trillion, sixty-six billion, six hundred eight million, five hundred eighty-nine thousand, eight hundred sixteen".