168106038361779 has 24 divisors (see below), whose sum is σ = 260736404889600. Its totient is φ = 96060405950544.

The previous prime is 168106038361777. The next prime is 168106038361829. The reversal of 168106038361779 is 977163830601861.

It is not a de Polignac number, because 168106038361779 - 2¹ = 168106038361777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168106038361777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116610622 + ... + 118043420.

It is an arithmetic number, because the mean of its divisors is an integer number (10864016870400).

Almost surely, 2^{168106038361779} is an apocalyptic number.

168106038361779 is a deficient number, since it is larger than the sum of its proper divisors (92630366527821).

168106038361779 is a wasteful number, since it uses less digits than its factorization.

168106038361779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230959 (or 2230952 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 66.

The spelling of 168106038361779 in words is "one hundred sixty-eight trillion, one hundred six billion, thirty-eight million, three hundred sixty-one thousand, seven hundred seventy-nine".