165305010 has 32 divisors (see below), whose sum is σ = 427250880. Its totient is φ = 40690368.

The previous prime is 165304999. The next prime is 165305027. The reversal of 165305010 is 10503561.

It is a happy number.

It is a super-2 number, since 2×165305010² = 54651492662200200, which contains 22 as substring.

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, 211540 + ... + 212319.

It is an arithmetic number, because the mean of its divisors is an integer number (13351590).

Almost surely, 2^165305010 is an apocalyptic number.

165305010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165305010 is an abundant number, since it is smaller than the sum of its proper divisors (261945870).

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

165305010 is a wasteful number, since it uses less digits than its factorization.

165305010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423882.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 165305010 is about 12857.0995951653. The cubic root of 165305010 is about 548.8184110171.

Adding to 165305010 its reverse (10503561), we get a palindrome (175808571).

The spelling of 165305010 in words is "one hundred sixty-five million, three hundred five thousand, ten".