163870268633473 has 4 divisors (see below), whose sum is σ = 164875607705008. Its totient is φ = 162864929561940.

The previous prime is 163870268633447. The next prime is 163870268633503. The reversal of 163870268633473 is 374336862078361.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163870268633473 - 2³³ = 163861678698881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163870268633399 and 163870268633408.

It is not an unprimeable number, because it can be changed into a prime (163870268633173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502669535523 + ... + 502669535848.

It is an arithmetic number, because the mean of its divisors is an integer number (41218901926252).

Almost surely, 2^{163870268633473} is an apocalyptic number.

It is an amenable number.

163870268633473 is a deficient number, since it is larger than the sum of its proper divisors (1005339071535).

163870268633473 is a wasteful number, since it uses less digits than its factorization.

163870268633473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005339071534.

The product of its (nonzero) digits is 438939648, while the sum is 67.

The spelling of 163870268633473 in words is "one hundred sixty-three trillion, eight hundred seventy billion, two hundred sixty-eight million, six hundred thirty-three thousand, four hundred seventy-three".