161362162033 has 2 divisors, whose sum is σ = 161362162034. Its totient is φ = 161362162032.

The previous prime is 161362162019. The next prime is 161362162043. The reversal of 161362162033 is 330261263161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152032147569 + 9330014464 = 389913^2 + 96592^2 .

It is a cyclic number.

It is not a de Polignac number, because 161362162033 - 2¹⁷ = 161362030961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161362162033.

It is not a weakly prime, because it can be changed into another prime (161362162043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80681081016 + 80681081017.

It is an arithmetic number, because the mean of its divisors is an integer number (80681081017).

Almost surely, 2^161362162033 is an apocalyptic number.

It is an amenable number.

161362162033 is a deficient number, since it is larger than the sum of its proper divisors (1).

161362162033 is an equidigital number, since it uses as much as digits as its factorization.

161362162033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 161362162033 in words is "one hundred sixty-one billion, three hundred sixty-two million, one hundred sixty-two thousand, thirty-three".