165396030 has 16 divisors (see below), whose sum is σ = 396950544. Its totient is φ = 44105600.

The previous prime is 165396001. The next prime is 165396047. The reversal of 165396030 is 30693561.

It is a junction number, because it is equal to n+sod(n) for n = 165395982 and 165396000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2756571 + ... + 2756630.

It is an arithmetic number, because the mean of its divisors is an integer number (24809409).

Almost surely, 2^165396030 is an apocalyptic number.

165396030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165396030 is an abundant number, since it is smaller than the sum of its proper divisors (231554514).

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

165396030 is a wasteful number, since it uses less digits than its factorization.

165396030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513211.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 165396030 is about 12860.6387866233. The cubic root of 165396030 is about 548.9191223953.

The spelling of 165396030 in words is "one hundred sixty-five million, three hundred ninety-six thousand, thirty".