163604261310422 has 4 divisors (see below), whose sum is σ = 245406391965636. Its totient is φ = 81802130655210.

The previous prime is 163604261310379. The next prime is 163604261310461. The reversal of 163604261310422 is 224013162406361.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 163604261310422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40901065327604 + ... + 40901065327607.

It is an arithmetic number, because the mean of its divisors is an integer number (61351597991409).

Almost surely, 2^{163604261310422} is an apocalyptic number.

163604261310422 is a deficient number, since it is larger than the sum of its proper divisors (81802130655214).

163604261310422 is an equidigital number, since it uses as much as digits as its factorization.

163604261310422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81802130655213.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 163604261310422 in words is "one hundred sixty-three trillion, six hundred four billion, two hundred sixty-one million, three hundred ten thousand, four hundred twenty-two".