163605513442 has 8 divisors (see below), whose sum is σ = 280466594496. Its totient is φ = 70116648612.

The previous prime is 163605513431. The next prime is 163605513509. The reversal of 163605513442 is 244315506361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 163605513395 and 163605513404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5843054038 + ... + 5843054065.

It is an arithmetic number, because the mean of its divisors is an integer number (35058324312).

Almost surely, 2^163605513442 is an apocalyptic number.

163605513442 is a deficient number, since it is larger than the sum of its proper divisors (116861081054).

163605513442 is a wasteful number, since it uses less digits than its factorization.

163605513442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11686108112.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 163605513442 in words is "one hundred sixty-three billion, six hundred five million, five hundred thirteen thousand, four hundred forty-two".