163213060312361 has 4 divisors (see below), whose sum is σ = 168477997741824. Its totient is φ = 157948122882900.

The previous prime is 163213060312333. The next prime is 163213060312381.

163213060312361 is nontrivially palindromic in base 10.

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 163213060312361 - 2²⁶ = 163212993203497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163213060312331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2632468714685 + ... + 2632468714746.

It is an arithmetic number, because the mean of its divisors is an integer number (42119499435456).

Almost surely, 2^{163213060312361} is an apocalyptic number.

It is an amenable number.

163213060312361 is a deficient number, since it is larger than the sum of its proper divisors (5264937429463).

163213060312361 is an equidigital number, since it uses as much as digits as its factorization.

163213060312361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5264937429462.

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 163213060312361 in words is "one hundred sixty-three trillion, two hundred thirteen billion, sixty million, three hundred twelve thousand, three hundred sixty-one".