1066074681065 has 16 divisors (see below), whose sum is σ = 1288358774976. Its totient is φ = 846828302400.

The previous prime is 1066074681037. The next prime is 1066074681083. The reversal of 1066074681065 is 5601864706601.

1066074681065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1066074681065 - 2⁸ = 1066074680809 is a prime.

It is a super-2 number, since 2×1066074681065² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334091 + ... + 1497920.

It is an arithmetic number, because the mean of its divisors is an integer number (80522423436).

Almost surely, 2^{1066074681065} is an apocalyptic number.

It is an amenable number.

1066074681065 is a deficient number, since it is larger than the sum of its proper divisors (222284093911).

1066074681065 is a wasteful number, since it uses less digits than its factorization.

1066074681065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832840.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 1066074681065 in words is "one trillion, sixty-six billion, seventy-four million, six hundred eighty-one thousand, sixty-five".