161322603224600 has 48 divisors (see below), whose sum is σ = 375116017228800. Its totient is φ = 64521993594240.

The previous prime is 161322603224597. The next prime is 161322603224663. The reversal of 161322603224600 is 6422306223161.

It is a super-2 number, since 2×161322603224600² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 42212120 + ... + 45874919.

It is an arithmetic number, because the mean of its divisors is an integer number (7814917025600).

Almost surely, 2^{161322603224600} is an apocalyptic number.

161322603224600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161322603224600 is an abundant number, since it is smaller than the sum of its proper divisors (213793414004200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161322603224600 is a wasteful number, since it uses less digits than its factorization.

161322603224600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88096212 (or 88096203 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

Adding to 161322603224600 its reverse (6422306223161), we get a palindrome (167744909447761).

The spelling of 161322603224600 in words is "one hundred sixty-one trillion, three hundred twenty-two billion, six hundred three million, two hundred twenty-four thousand, six hundred".