1003166115839 has 4 divisors (see below), whose sum is σ = 1022093778456. Its totient is φ = 984238453224.

The previous prime is 1003166115829. The next prime is 1003166115869. The reversal of 1003166115839 is 9385116613001.

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 1003166115839 - 2⁸ = 1003166115583 is a prime.

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 1003166115839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003166115829) 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, 9463831229 + ... + 9463831334.

It is an arithmetic number, because the mean of its divisors is an integer number (255523444614).

Almost surely, 2^{1003166115839} is an apocalyptic number.

1003166115839 is a deficient number, since it is larger than the sum of its proper divisors (18927662617).

1003166115839 is an equidigital number, since it uses as much as digits as its factorization.

1003166115839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18927662616.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 1003166115839 in words is "one trillion, three billion, one hundred sixty-six million, one hundred fifteen thousand, eight hundred thirty-nine".