165490339 has 8 divisors (see below), whose sum is σ = 192337920. Its totient is φ = 139444296.

The previous prime is 165490331. The next prime is 165490349. The reversal of 165490339 is 933094561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165490339 - 2³ = 165490331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165490331) 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, 199939 + ... + 200764.

It is an arithmetic number, because the mean of its divisors is an integer number (24042240).

Almost surely, 2^165490339 is an apocalyptic number.

165490339 is a deficient number, since it is larger than the sum of its proper divisors (26847581).

165490339 is an equidigital number, since it uses as much as digits as its factorization.

165490339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400769.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 165490339 is about 12864.3048393607. The cubic root of 165490339 is about 549.0234340027.

The spelling of 165490339 in words is "one hundred sixty-five million, four hundred ninety thousand, three hundred thirty-nine".