165064042 has 16 divisors (see below), whose sum is σ = 290882592. Its totient is φ = 69257520.

The previous prime is 165064037. The next prime is 165064091. The reversal of 165064042 is 240460561.

It is a super-2 number, since 2×165064042² = 54492275922755528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 165064042.

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, 288288 + ... + 288859.

It is an arithmetic number, because the mean of its divisors is an integer number (18180162).

Almost surely, 2^165064042 is an apocalyptic number.

165064042 is a deficient number, since it is larger than the sum of its proper divisors (125818550).

165064042 is a wasteful number, since it uses less digits than its factorization.

165064042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577173.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 165064042 is about 12847.7251682934. The cubic root of 165064042 is about 548.5516072728.

The spelling of 165064042 in words is "one hundred sixty-five million, sixty-four thousand, forty-two".