1066669662576 has 120 divisors (see below), whose sum is σ = 3205849157760. Its totient is φ = 304724923776.

The previous prime is 1066669662551. The next prime is 1066669662581. The reversal of 1066669662576 is 6752669666601.

It is a super-2 number, since 2×1066669662576² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22882845 + ... + 22929411.

It is an arithmetic number, because the mean of its divisors is an integer number (26715409648).

Almost surely, 2^{1066669662576} is an apocalyptic number.

1066669662576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1066669662576 is an abundant number, since it is smaller than the sum of its proper divisors (2139179495184).

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

1066669662576 is a wasteful number, since it uses less digits than its factorization.

1066669662576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56331 (or 56318 counting only the distinct ones).

The product of its (nonzero) digits is 176359680, while the sum is 66.

The spelling of 1066669662576 in words is "one trillion, sixty-six billion, six hundred sixty-nine million, six hundred sixty-two thousand, five hundred seventy-six".