1333166428817 has 2 divisors, whose sum is σ = 1333166428818. Its totient is φ = 1333166428816.

The previous prime is 1333166428799. The next prime is 1333166428837. The reversal of 1333166428817 is 7188246613331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 772938130561 + 560228298256 = 879169^2 + 748484^2 .

It is a cyclic number.

It is not a de Polignac number, because 1333166428817 - 2¹⁰ = 1333166427793 is a prime.

It is not a weakly prime, because it can be changed into another prime (1333166428837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666583214408 + 666583214409.

It is an arithmetic number, because the mean of its divisors is an integer number (666583214409).

Almost surely, 2^{1333166428817} is an apocalyptic number.

It is an amenable number.

1333166428817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1333166428817 is an equidigital number, since it uses as much as digits as its factorization.

1333166428817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 53.

The spelling of 1333166428817 in words is "one trillion, three hundred thirty-three billion, one hundred sixty-six million, four hundred twenty-eight thousand, eight hundred seventeen".