159638099 has 2 divisors, whose sum is σ = 159638100. Its totient is φ = 159638098.

The previous prime is 159638093. The next prime is 159638117. The reversal of 159638099 is 990836951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159638099 - 2⁸ = 159637843 is a prime.

It is not a weakly prime, because it can be changed into another prime (159638093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79819049 + 79819050.

It is an arithmetic number, because the mean of its divisors is an integer number (79819050).

Almost surely, 2^159638099 is an apocalyptic number.

159638099 is a deficient number, since it is larger than the sum of its proper divisors (1).

159638099 is an equidigital number, since it uses as much as digits as its factorization.

159638099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 50.

The square root of 159638099 is about 12634.7971491433. The cubic root of 159638099 is about 542.4739016376.

The spelling of 159638099 in words is "one hundred fifty-nine million, six hundred thirty-eight thousand, ninety-nine".