163453561313 has 16 divisors (see below), whose sum is σ = 191100370560. Its totient is φ = 136916044416.

The previous prime is 163453561291. The next prime is 163453561351. The reversal of 163453561313 is 313165354361.

163453561313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 163453561313 - 2²⁰ = 163452512737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163453560313) 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 in 15 ways as a sum of consecutive naturals, for example, 1411595 + ... + 1522992.

It is an arithmetic number, because the mean of its divisors is an integer number (11943773160).

Almost surely, 2^163453561313 is an apocalyptic number.

It is an amenable number.

163453561313 is a deficient number, since it is larger than the sum of its proper divisors (27646809247).

163453561313 is a wasteful number, since it uses less digits than its factorization.

163453561313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934776.

The product of its digits is 291600, while the sum is 41.

The spelling of 163453561313 in words is "one hundred sixty-three billion, four hundred fifty-three million, five hundred sixty-one thousand, three hundred thirteen".