163446134666353 has 48 divisors (see below), whose sum is σ = 208912043023488. Its totient is φ = 124217517600000.

The previous prime is 163446134666317. The next prime is 163446134666377. The reversal of 163446134666353 is 353666431644361.

It is a happy number.

163446134666353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163446134666353 - 2⁹ = 163446134665841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163446134666291 and 163446134666300.

It is not an unprimeable number, because it can be changed into a prime (163446134616353) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32570053 + ... + 37251853.

It is an arithmetic number, because the mean of its divisors is an integer number (4352334229656).

Almost surely, 2^{163446134666353} is an apocalyptic number.

It is an amenable number.

163446134666353 is a deficient number, since it is larger than the sum of its proper divisors (45465908357135).

163446134666353 is a wasteful number, since it uses less digits than its factorization.

163446134666353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682054 (or 4681987 counting only the distinct ones).

The product of its digits is 201553920, while the sum is 61.

The spelling of 163446134666353 in words is "one hundred sixty-three trillion, four hundred forty-six billion, one hundred thirty-four million, six hundred sixty-six thousand, three hundred fifty-three".