1066661613014 has 32 divisors (see below), whose sum is σ = 1629058590720. Its totient is φ = 523708932672.

The previous prime is 1066661612993. The next prime is 1066661613019. The reversal of 1066661613014 is 4103161666601.

It is a super-2 number, since 2×1066661613014² (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 (1066661613019) 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, 71681627 + ... + 71696505.

It is an arithmetic number, because the mean of its divisors is an integer number (50908080960).

Almost surely, 2^{1066661613014} is an apocalyptic number.

1066661613014 is a deficient number, since it is larger than the sum of its proper divisors (562396977706).

1066661613014 is a wasteful number, since it uses less digits than its factorization.

1066661613014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17084.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 1066661613014 in words is "one trillion, sixty-six billion, six hundred sixty-one million, six hundred thirteen thousand, fourteen".