1066943775900 has 36 divisors (see below), whose sum is σ = 3087023992472. Its totient is φ = 284518340160.

The previous prime is 1066943775869. The next prime is 1066943775913. The reversal of 1066943775900 is 95773496601.

It is a happy number.

It is a super-2 number, since 2×1066943775900² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1778239327 + ... + 1778239926.

Almost surely, 2^{1066943775900} is an apocalyptic number.

1066943775900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066943775900 is an abundant number, since it is smaller than the sum of its proper divisors (2020080216572).

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

1066943775900 is a wasteful number, since it uses less digits than its factorization.

1066943775900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556479270 (or 3556479263 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 57.

The spelling of 1066943775900 in words is "one trillion, sixty-six billion, nine hundred forty-three million, seven hundred seventy-five thousand, nine hundred".