388783345708161 has 12 divisors (see below), whose sum is σ = 561918995711892. Its totient is φ = 259030565487456.

The previous prime is 388783345708103. The next prime is 388783345708183. The reversal of 388783345708161 is 161807543387883.

388783345708161 is a `hidden beast` number, since 3 + 8 + 8 + 7 + 8 + 3 + 3 + 457 + 0 + 8 + 161 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 141293185195761 + 247490160512400 = 11886681^2 + 15731820^2 .

It is not a de Polignac number, because 388783345708161 - 2²⁵ = 388783312153729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 388783345708161.

It is not an unprimeable number, because it can be changed into a prime (388783345708361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13194288726 + ... + 13194318191.

It is an arithmetic number, because the mean of its divisors is an integer number (46826582975991).

Almost surely, 2^{388783345708161} is an apocalyptic number.

It is an amenable number.

388783345708161 is a deficient number, since it is larger than the sum of its proper divisors (173135650003731).

388783345708161 is a wasteful number, since it uses less digits than its factorization.

388783345708161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26388608560 (or 26388608557 counting only the distinct ones).

The product of its (nonzero) digits is 650280960, while the sum is 72.

The spelling of 388783345708161 in words is "three hundred eighty-eight trillion, seven hundred eighty-three billion, three hundred forty-five million, seven hundred eight thousand, one hundred sixty-one".