1066006120057 has 4 divisors (see below), whose sum is σ = 1066008187636. Its totient is φ = 1066004052480.

The previous prime is 1066006120037. The next prime is 1066006120093. The reversal of 1066006120057 is 7500216006601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89814695481 + 976191424576 = 299691^2 + 988024^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066006120057 - 2¹⁹ = 1066005595769 is a prime.

It is a super-2 number, since 2×1066006120057² (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 (1066006120037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438757 + ... + 1524637.

It is an arithmetic number, because the mean of its divisors is an integer number (266502046909).

Almost surely, 2^{1066006120057} is an apocalyptic number.

It is an amenable number.

1066006120057 is a deficient number, since it is larger than the sum of its proper divisors (2067579).

1066006120057 is an equidigital number, since it uses as much as digits as its factorization.

1066006120057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067578.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 1066006120057 in words is "one trillion, sixty-six billion, six million, one hundred twenty thousand, fifty-seven".