165150520 has 16 divisors (see below), whose sum is σ = 371588760. Its totient is φ = 66060192.

The previous prime is 165150497. The next prime is 165150553. The reversal of 165150520 is 25051561.

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 3 ways as a sum of consecutive naturals, for example, 2064342 + ... + 2064421.

Almost surely, 2^165150520 is an apocalyptic number.

165150520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165150520 is an abundant number, since it is smaller than the sum of its proper divisors (206438240).

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

165150520 is a wasteful number, since it uses less digits than its factorization.

165150520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128774 (or 4128770 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 165150520 is about 12851.0902261248. The cubic root of 165150520 is about 548.6473869945.

The spelling of 165150520 in words is "one hundred sixty-five million, one hundred fifty thousand, five hundred twenty".