163621030273 has 8 divisors (see below), whose sum is σ = 164070439200. Its totient is φ = 163172021280.

The previous prime is 163621030271. The next prime is 163621030289. The reversal of 163621030273 is 372030126361.

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 163621030273 - 2¹ = 163621030271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163621030271) 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, 728778 + ... + 926476.

It is an arithmetic number, because the mean of its divisors is an integer number (20508804900).

Almost surely, 2^163621030273 is an apocalyptic number.

It is an amenable number.

163621030273 is a deficient number, since it is larger than the sum of its proper divisors (449408927).

163621030273 is a wasteful number, since it uses less digits than its factorization.

163621030273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199967.

The product of its (nonzero) digits is 27216, while the sum is 34.

The spelling of 163621030273 in words is "one hundred sixty-three billion, six hundred twenty-one million, thirty thousand, two hundred seventy-three".