1065662664000 has 224 divisors, whose sum is σ = 3838711623552. Its totient is φ = 258342400000.

The previous prime is 1065662663999. The next prime is 1065662664091. The reversal of 1065662664000 is 4662665601.

It is a happy number.

It is a super-2 number, since 2×1065662664000² (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 31 ways as a sum of consecutive naturals, for example, 1754301 + ... + 2282300.

Almost surely, 2^{1065662664000} is an apocalyptic number.

1065662664000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1065662664000 is an abundant number, since it is smaller than the sum of its proper divisors (2773048959552).

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

1065662664000 is a wasteful number, since it uses less digits than its factorization.

1065662664000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4036642 (or 4036622 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 1065662664000 in words is "one trillion, sixty-five billion, six hundred sixty-two million, six hundred sixty-four thousand".