165363530 has 8 divisors (see below), whose sum is σ = 297654372. Its totient is φ = 66145408.

The previous prime is 165363487. The next prime is 165363553. The reversal of 165363530 is 35363561.

It can be written as a sum of positive squares in 2 ways, for example, as 156225001 + 9138529 = 12499^2 + 3023^2 .

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

It is a super-3 number, since 3×165363530³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8268167 + ... + 8268186.

Almost surely, 2^165363530 is an apocalyptic number.

165363530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165363530 is a deficient number, since it is larger than the sum of its proper divisors (132290842).

165363530 is a wasteful number, since it uses less digits than its factorization.

165363530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16536360.

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 165363530 is about 12859.3751792224. The cubic root of 165363530 is about 548.8831661915.

The spelling of 165363530 in words is "one hundred sixty-five million, three hundred sixty-three thousand, five hundred thirty".