161853523200113 has 8 divisors (see below), whose sum is σ = 166960224440832. Its totient is φ = 156785363101296.

The previous prime is 161853523200097. The next prime is 161853523200133. The reversal of 161853523200113 is 311002325358161.

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

It is a cyclic number.

It is not a de Polignac number, because 161853523200113 - 2⁴ = 161853523200097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161853523200133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9635276945 + ... + 9635293742.

It is an arithmetic number, because the mean of its divisors is an integer number (20870028055104).

Almost surely, 2^{161853523200113} is an apocalyptic number.

It is an amenable number.

161853523200113 is a deficient number, since it is larger than the sum of its proper divisors (5106701240719).

161853523200113 is a wasteful number, since it uses less digits than its factorization.

161853523200113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19270570951.

The product of its (nonzero) digits is 129600, while the sum is 41.

Adding to 161853523200113 its reverse (311002325358161), we get a palindrome (472855848558274).

The spelling of 161853523200113 in words is "one hundred sixty-one trillion, eight hundred fifty-three billion, five hundred twenty-three million, two hundred thousand, one hundred thirteen".