1066337375393 has 4 divisors (see below), whose sum is σ = 1066358984880. Its totient is φ = 1066315765908.

The previous prime is 1066337375387. The next prime is 1066337375471. The reversal of 1066337375393 is 3935737336601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1066337375393 - 2⁶ = 1066337375329 is a prime.

It is a super-2 number, since 2×1066337375393² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066337375293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10730555 + ... + 10829472.

It is an arithmetic number, because the mean of its divisors is an integer number (266589746220).

Almost surely, 2^{1066337375393} is an apocalyptic number.

It is an amenable number.

1066337375393 is a deficient number, since it is larger than the sum of its proper divisors (21609487).

1066337375393 is an equidigital number, since it uses as much as digits as its factorization.

1066337375393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21609486.

The product of its (nonzero) digits is 19289340, while the sum is 56.

The spelling of 1066337375393 in words is "one trillion, sixty-six billion, three hundred thirty-seven million, three hundred seventy-five thousand, three hundred ninety-three".