165380530 has 32 divisors (see below), whose sum is σ = 341210880. Its totient is φ = 56535360.

The previous prime is 165380521. The next prime is 165380563. The reversal of 165380530 is 35083561.

165380530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 165380492 and 165380501.

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, 21840 + ... + 28420.

It is an arithmetic number, because the mean of its divisors is an integer number (10662840).

Almost surely, 2^165380530 is an apocalyptic number.

165380530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165380530 is an abundant number, since it is smaller than the sum of its proper divisors (175830350).

165380530 is a wasteful number, since it uses less digits than its factorization.

165380530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6954.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 165380530 is about 12860.0361585806. The cubic root of 165380530 is about 548.9019746395.

The spelling of 165380530 in words is "one hundred sixty-five million, three hundred eighty thousand, five hundred thirty".