165203150 has 48 divisors (see below), whose sum is σ = 360694176. Its totient is φ = 55105920.

The previous prime is 165203149. The next prime is 165203153. The reversal of 165203150 is 51302561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165203153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6572 + ... + 19328.

It is an arithmetic number, because the mean of its divisors is an integer number (7514462).

Almost surely, 2^165203150 is an apocalyptic number.

165203150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165203150 is an abundant number, since it is smaller than the sum of its proper divisors (195491026).

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

165203150 is a wasteful number, since it uses less digits than its factorization.

165203150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12813 (or 12808 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 165203150 is about 12853.1377492035. The cubic root of 165203150 is about 548.7056616020.

The spelling of 165203150 in words is "one hundred sixty-five million, two hundred three thousand, one hundred fifty".