169131741338 has 32 divisors (see below), whose sum is σ = 292269672576. Its totient is φ = 71904780288.

The previous prime is 169131741293. The next prime is 169131741349. The reversal of 169131741338 is 833147131961.

It is a junction number, because it is equal to n+sod(n) for n = 169131741292 and 169131741301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865145 + ... + 1042467.

It is an arithmetic number, because the mean of its divisors is an integer number (9133427268).

Almost surely, 2^169131741338 is an apocalyptic number.

169131741338 is a deficient number, since it is larger than the sum of its proper divisors (123137931238).

169131741338 is a wasteful number, since it uses less digits than its factorization.

169131741338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177878.

The product of its digits is 326592, while the sum is 47.

The spelling of 169131741338 in words is "one hundred sixty-nine billion, one hundred thirty-one million, seven hundred forty-one thousand, three hundred thirty-eight".