1066433642164 has 48 divisors (see below), whose sum is σ = 2084182228800. Its totient is φ = 473365612800.

The previous prime is 1066433642119. The next prime is 1066433642167. The reversal of 1066433642164 is 4612463346601.

It is a super-2 number, since 2×1066433642164² (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 (1066433642167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1056169 + ... + 1802320.

It is an arithmetic number, because the mean of its divisors is an integer number (43420463100).

Almost surely, 2^{1066433642164} is an apocalyptic number.

It is an amenable number.

1066433642164 is a deficient number, since it is larger than the sum of its proper divisors (1017748586636).

1066433642164 is a wasteful number, since it uses less digits than its factorization.

1066433642164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858704 (or 2858702 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 46.

Adding to 1066433642164 its reverse (4612463346601), we get a palindrome (5678896988765).

The spelling of 1066433642164 in words is "one trillion, sixty-six billion, four hundred thirty-three million, six hundred forty-two thousand, one hundred sixty-four".