163545044253313 has 8 divisors (see below), whose sum is σ = 169213444202880. Its totient is φ = 157878572014800.

The previous prime is 163545044253247. The next prime is 163545044253323. The reversal of 163545044253313 is 313352440545361.

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 163545044253313 - 2²¹ = 163545042156161 is a prime.

It is a super-2 number, since 2×163545044253313² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163545044253323) 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, 481755145 + ... + 482094502.

It is an arithmetic number, because the mean of its divisors is an integer number (21151680525360).

Almost surely, 2^{163545044253313} is an apocalyptic number.

It is an amenable number.

163545044253313 is a deficient number, since it is larger than the sum of its proper divisors (5668399949567).

163545044253313 is an equidigital number, since it uses as much as digits as its factorization.

163545044253313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963855527.

The product of its (nonzero) digits is 7776000, while the sum is 49.

Adding to 163545044253313 its reverse (313352440545361), we get a palindrome (476897484798674).

The spelling of 163545044253313 in words is "one hundred sixty-three trillion, five hundred forty-five billion, forty-four million, two hundred fifty-three thousand, three hundred thirteen".