1066677266656 has 96 divisors (see below), whose sum is σ = 2256233888160. Its totient is φ = 494635008000.

The previous prime is 1066677266651. The next prime is 1066677266701. The reversal of 1066677266656 is 6566627766601.

It is a super-2 number, since 2×1066677266656² (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 (1066677266651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11547180 + ... + 11639188.

It is an arithmetic number, because the mean of its divisors is an integer number (23502436335).

Almost surely, 2^{1066677266656} is an apocalyptic number.

1066677266656 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 1066677266656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1128116944080).

1066677266656 is an abundant number, since it is smaller than the sum of its proper divisors (1189556621504).

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

1066677266656 is a wasteful number, since it uses less digits than its factorization.

1066677266656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92348 (or 92340 counting only the distinct ones).

The product of its (nonzero) digits is 137168640, while the sum is 64.

The spelling of 1066677266656 in words is "one trillion, sixty-six billion, six hundred seventy-seven million, two hundred sixty-six thousand, six hundred fifty-six".