163505000242 has 16 divisors (see below), whose sum is σ = 256565535552. Its totient is φ = 78001062480.

The previous prime is 163505000207. The next prime is 163505000273. The reversal of 163505000242 is 242000505361.

It is a self number, because there is not a number n which added to its sum of digits gives 163505000242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4458384 + ... + 4494907.

It is an arithmetic number, because the mean of its divisors is an integer number (16035345972).

Almost surely, 2^163505000242 is an apocalyptic number.

163505000242 is a deficient number, since it is larger than the sum of its proper divisors (93060535310).

163505000242 is a wasteful number, since it uses less digits than its factorization.

163505000242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8953713.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 163505000242 in words is "one hundred sixty-three billion, five hundred five million, two hundred forty-two", and thus it is an aban number.