165340030 has 32 divisors (see below), whose sum is σ = 303160320. Its totient is φ = 64915200.

The previous prime is 165340009. The next prime is 165340037. The reversal of 165340030 is 30043561.

It is a junction number, because it is equal to n+sod(n) for n = 165339983 and 165340010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165340037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127626 + ... + 128914.

It is an arithmetic number, because the mean of its divisors is an integer number (9473760).

Almost surely, 2^165340030 is an apocalyptic number.

165340030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165340030 is a deficient number, since it is larger than the sum of its proper divisors (137820290).

165340030 is a wasteful number, since it uses less digits than its factorization.

165340030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 165340030 is about 12858.4614165148. The cubic root of 165340030 is about 548.8571641553.

Adding to 165340030 its reverse (30043561), we get a palindrome (195383591).

The spelling of 165340030 in words is "one hundred sixty-five million, three hundred forty thousand, thirty".