165041042 has 16 divisors (see below), whose sum is σ = 251559000. Its totient is φ = 81198720.

The previous prime is 165041039. The next prime is 165041047. The reversal of 165041042 is 240140561.

165041042 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 4 ways, for example, as 94497841 + 70543201 = 9721^2 + 8399^2 .

It is a junction number, because it is equal to n+sod(n) for n = 165040999 and 165041017.

It is not an unprimeable number, because it can be changed into a prime (165041047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29942 + ... + 35022.

Almost surely, 2^165041042 is an apocalyptic number.

165041042 is a deficient number, since it is larger than the sum of its proper divisors (86517958).

165041042 is a wasteful number, since it uses less digits than its factorization.

165041042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5341.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 165041042 is about 12846.8300370169. The cubic root of 165041042 is about 548.5261277218.

The spelling of 165041042 in words is "one hundred sixty-five million, forty-one thousand, forty-two".