165259330 has 8 divisors (see below), whose sum is σ = 297466812. Its totient is φ = 66103728.

The previous prime is 165259291. The next prime is 165259337. The reversal of 165259330 is 33952561.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 155975121 + 9284209 = 12489^2 + 3047^2 .

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

It is not an unprimeable number, because it can be changed into a prime (165259337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8262957 + ... + 8262976.

Almost surely, 2^165259330 is an apocalyptic number.

165259330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165259330 is a deficient number, since it is larger than the sum of its proper divisors (132207482).

165259330 is a wasteful number, since it uses less digits than its factorization.

165259330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16525940.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 165259330 is about 12855.3230220014. The cubic root of 165259330 is about 548.7678532943.

The spelling of 165259330 in words is "one hundred sixty-five million, two hundred fifty-nine thousand, three hundred thirty".