159169628638403 has 2 divisors, whose sum is σ = 159169628638404. Its totient is φ = 159169628638402.

The previous prime is 159169628638381. The next prime is 159169628638421. The reversal of 159169628638403 is 304836826961951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159169628638403 - 2¹² = 159169628634307 is a prime.

It is not a weakly prime, because it can be changed into another prime (159169628638453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79584814319201 + 79584814319202.

It is an arithmetic number, because the mean of its divisors is an integer number (79584814319202).

Almost surely, 2^{159169628638403} is an apocalyptic number.

159169628638403 is a deficient number, since it is larger than the sum of its proper divisors (1).

159169628638403 is an equidigital number, since it uses as much as digits as its factorization.

159169628638403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403107840, while the sum is 71.

The spelling of 159169628638403 in words is "one hundred fifty-nine trillion, one hundred sixty-nine billion, six hundred twenty-eight million, six hundred thirty-eight thousand, four hundred three".