169169042 has 16 divisors (see below), whose sum is σ = 290338560. Its totient is φ = 72417408.

The previous prime is 169169003. The next prime is 169169051. The reversal of 169169042 is 240961961.

It is a junction number, because it is equal to n+sod(n) for n = 169168987 and 169169005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6503 + ... + 19509.

It is an arithmetic number, because the mean of its divisors is an integer number (18146160).

Almost surely, 2^169169042 is an apocalyptic number.

It is a pronic number, being equal to 13006×13007.

169169042 is a deficient number, since it is larger than the sum of its proper divisors (121169518).

169169042 is a wasteful number, since it uses less digits than its factorization.

169169042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13945.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 169169042 is about 13006.4999903894. The cubic root of 169169042 is about 553.0617582349.

The spelling of 169169042 in words is "one hundred sixty-nine million, one hundred sixty-nine thousand, forty-two".