165079539 has 10 divisors (see below), whose sum is σ = 246600420. Its totient is φ = 110052972.

The previous prime is 165079531. The next prime is 165079549. The reversal of 165079539 is 935970561.

It is not a de Polignac number, because 165079539 - 2³ = 165079531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165079494 and 165079503.

It is not an unprimeable number, because it can be changed into a prime (165079531) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1018929 + ... + 1019090.

It is an arithmetic number, because the mean of its divisors is an integer number (24660042).

Almost surely, 2^165079539 is an apocalyptic number.

165079539 is a deficient number, since it is larger than the sum of its proper divisors (81520881).

165079539 is an equidigital number, since it uses as much as digits as its factorization.

165079539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038031 (or 2038022 counting only the distinct ones).

The product of its (nonzero) digits is 255150, while the sum is 45.

The square root of 165079539 is about 12848.3282570146. The cubic root of 165079539 is about 548.5687736165.

The spelling of 165079539 in words is "one hundred sixty-five million, seventy-nine thousand, five hundred thirty-nine".