165073842 has 32 divisors (see below), whose sum is σ = 388411200. Its totient is φ = 51787584.

The previous prime is 165073819. The next prime is 165073871. The reversal of 165073842 is 248370561.

It is a junction number, because it is equal to n+sod(n) for n = 165073797 and 165073806.

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, 88992 + ... + 90827.

It is an arithmetic number, because the mean of its divisors is an integer number (12137850).

Almost surely, 2^165073842 is an apocalyptic number.

165073842 is an abundant number, since it is smaller than the sum of its proper divisors (223337358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165073842 is a wasteful number, since it uses less digits than its factorization.

165073842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179847 (or 179841 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 165073842 is about 12848.1065531073. The cubic root of 165073842 is about 548.5624630580.

The spelling of 165073842 in words is "one hundred sixty-five million, seventy-three thousand, eight hundred forty-two".