161584152559 has 2 divisors, whose sum is σ = 161584152560. Its totient is φ = 161584152558.

The previous prime is 161584152557. The next prime is 161584152593. The reversal of 161584152559 is 955251485161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161584152559 - 2¹ = 161584152557 is a prime.

It is a super-2 number, since 2×161584152559² (a number of 23 digits) contains 22 as substring.

Together with 161584152557, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161584152557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80792076279 + 80792076280.

It is an arithmetic number, because the mean of its divisors is an integer number (80792076280).

Almost surely, 2^161584152559 is an apocalyptic number.

161584152559 is a deficient number, since it is larger than the sum of its proper divisors (1).

161584152559 is an equidigital number, since it uses as much as digits as its factorization.

161584152559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160000, while the sum is 52.

The spelling of 161584152559 in words is "one hundred sixty-one billion, five hundred eighty-four million, one hundred fifty-two thousand, five hundred fifty-nine".