165005270 has 8 divisors (see below), whose sum is σ = 297009504. Its totient is φ = 66002104.

The previous prime is 165005257. The next prime is 165005293. The reversal of 165005270 is 72500561.

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

It is a congruent number.

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, 8250254 + ... + 8250273.

It is an arithmetic number, because the mean of its divisors is an integer number (37126188).

Almost surely, 2^165005270 is an apocalyptic number.

165005270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165005270 is a deficient number, since it is larger than the sum of its proper divisors (132004234).

165005270 is a wasteful number, since it uses less digits than its factorization.

165005270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16500534.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 165005270 is about 12845.4377114990. The cubic root of 165005270 is about 548.4864945610.

The spelling of 165005270 in words is "one hundred sixty-five million, five thousand, two hundred seventy".