159167551 has 2 divisors, whose sum is σ = 159167552. Its totient is φ = 159167550.

The previous prime is 159167543. The next prime is 159167557. The reversal of 159167551 is 155761951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159167551 - 2³ = 159167543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159167557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79583775 + 79583776.

It is an arithmetic number, because the mean of its divisors is an integer number (79583776).

Almost surely, 2^159167551 is an apocalyptic number.

159167551 is a deficient number, since it is larger than the sum of its proper divisors (1).

159167551 is an equidigital number, since it uses as much as digits as its factorization.

159167551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47250, while the sum is 40.

The square root of 159167551 is about 12616.1622928686. The cubic root of 159167551 is about 541.9403798293.

The spelling of 159167551 in words is "one hundred fifty-nine million, one hundred sixty-seven thousand, five hundred fifty-one".