1066347210239 has 4 divisors (see below), whose sum is σ = 1122470747640. Its totient is φ = 1010223672840.

The previous prime is 1066347210221. The next prime is 1066347210283. The reversal of 1066347210239 is 9320127436601.

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

It is a cyclic number.

It is not a de Polignac number, because 1066347210239 - 2¹² = 1066347206143 is a prime.

It is a super-2 number, since 2×1066347210239² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1066347210239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066347215239) 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, 28061768672 + ... + 28061768709.

It is an arithmetic number, because the mean of its divisors is an integer number (280617686910).

Almost surely, 2^{1066347210239} is an apocalyptic number.

1066347210239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1066347210239 is a deficient number, since it is larger than the sum of its proper divisors (56123537401).

1066347210239 is an equidigital number, since it uses as much as digits as its factorization.

1066347210239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56123537400.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 1066347210239 in words is "one trillion, sixty-six billion, three hundred forty-seven million, two hundred ten thousand, two hundred thirty-nine".