161460356066 has 4 divisors (see below), whose sum is σ = 242190534102. Its totient is φ = 80730178032.

The previous prime is 161460356047. The next prime is 161460356069. The reversal of 161460356066 is 660653064161.

161460356066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660653064161 = 61 ⋅10830378101.

It can be written as a sum of positive squares in only one way, i.e., 141805718041 + 19654638025 = 376571^2 + 140195^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (161460356069) 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, 40365089015 + ... + 40365089018.

Almost surely, 2^161460356066 is an apocalyptic number.

161460356066 is a deficient number, since it is larger than the sum of its proper divisors (80730178036).

161460356066 is an equidigital number, since it uses as much as digits as its factorization.

161460356066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80730178035.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 161460356066 in words is "one hundred sixty-one billion, four hundred sixty million, three hundred fifty-six thousand, sixty-six".