1003166115869 has 2 divisors, whose sum is σ = 1003166115870. Its totient is φ = 1003166115868.

The previous prime is 1003166115829. The next prime is 1003166115923. The reversal of 1003166115869 is 9685116613001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1003062340900 + 103774969 = 1001530^2 + 10187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1003166115869 is a prime.

It is a super-2 number, since 2×1003166115869² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003166115829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501583057934 + 501583057935.

It is an arithmetic number, because the mean of its divisors is an integer number (501583057935).

Almost surely, 2^{1003166115869} is an apocalyptic number.

It is an amenable number.

1003166115869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003166115869 is an equidigital number, since it uses as much as digits as its factorization.

1003166115869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 47.

The spelling of 1003166115869 in words is "one trillion, three billion, one hundred sixty-six million, one hundred fifteen thousand, eight hundred sixty-nine".