163213120136243 has 16 divisors (see below), whose sum is σ = 175006421690880. Its totient is φ = 151766702123904.

The previous prime is 163213120136233. The next prime is 163213120136327. The reversal of 163213120136243 is 342631021312361.

It is not a de Polignac number, because 163213120136243 - 2¹² = 163213120132147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163213120136197 and 163213120136206.

It is not an unprimeable number, because it can be changed into a prime (163213120136233) 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 15 ways as a sum of consecutive naturals, for example, 368803871 + ... + 369246152.

It is an arithmetic number, because the mean of its divisors is an integer number (10937901355680).

Almost surely, 2^{163213120136243} is an apocalyptic number.

163213120136243 is a deficient number, since it is larger than the sum of its proper divisors (11793301554637).

163213120136243 is a wasteful number, since it uses less digits than its factorization.

163213120136243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738050258.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 163213120136243 in words is "one hundred sixty-three trillion, two hundred thirteen billion, one hundred twenty million, one hundred thirty-six thousand, two hundred forty-three".