163774774116 has 36 divisors (see below), whose sum is σ = 428261624700. Its totient is φ = 52709122368.

The previous prime is 163774774091. The next prime is 163774774123. The reversal of 163774774116 is 611477477361.

163774774116 is a `hidden beast` number, since 1 + 63 + 77 + 477 + 41 + 1 + 6 = 666.

163774774116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 52821828900 + 110952945216 = 229830^2 + 333096^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78435151 + ... + 78437238.

Almost surely, 2^163774774116 is an apocalyptic number.

It is an amenable number.

163774774116 is an abundant number, since it is smaller than the sum of its proper divisors (264486850584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163774774116 is a wasteful number, since it uses less digits than its factorization.

163774774116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156872428 (or 156872423 counting only the distinct ones).

The product of its digits is 4148928, while the sum is 54.

The spelling of 163774774116 in words is "one hundred sixty-three billion, seven hundred seventy-four million, seven hundred seventy-four thousand, one hundred sixteen".