161606000010530 has 8 divisors (see below), whose sum is σ = 290890800018972. Its totient is φ = 64642400004208.

The previous prime is 161606000010509. The next prime is 161606000010569. The reversal of 161606000010530 is 35010000606161.

It can be written as a sum of positive squares in 2 ways, for example, as 161022369712681 + 583630297849 = 12689459^2 + 763957^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×161606000010530² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 161606000010493 and 161606000010502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8080300000517 + ... + 8080300000536.

Almost surely, 2^{161606000010530} is an apocalyptic number.

161606000010530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161606000010530 is a deficient number, since it is larger than the sum of its proper divisors (129284800008442).

161606000010530 is a wasteful number, since it uses less digits than its factorization.

161606000010530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16160600001060.

The product of its (nonzero) digits is 3240, while the sum is 29.

Adding to 161606000010530 its reverse (35010000606161), we get a palindrome (196616000616691).

The spelling of 161606000010530 in words is "one hundred sixty-one trillion, six hundred six billion, ten thousand, five hundred thirty".