163084042949768 has 8 divisors (see below), whose sum is σ = 305782580530830. Its totient is φ = 81542021474880.

The previous prime is 163084042949747. The next prime is 163084042949771. The reversal of 163084042949768 is 867949240480361.

It can be written as a sum of positive squares in only one way, i.e., 155746456344964 + 7337586604804 = 12479842^2 + 2708798^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10192752684353 + ... + 10192752684368.

Almost surely, 2^{163084042949768} is an apocalyptic number.

It is an amenable number.

163084042949768 is a deficient number, since it is larger than the sum of its proper divisors (142698537581062).

163084042949768 is a wasteful number, since it uses less digits than its factorization.

163084042949768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20385505368727 (or 20385505368723 counting only the distinct ones).

The product of its (nonzero) digits is 501645312, while the sum is 71.

The spelling of 163084042949768 in words is "one hundred sixty-three trillion, eighty-four billion, forty-two million, nine hundred forty-nine thousand, seven hundred sixty-eight".