165203952 has 40 divisors (see below), whose sum is σ = 441497040. Its totient is φ = 53168640.

The previous prime is 165203939. The next prime is 165203959. The reversal of 165203952 is 259302561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165203959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57949 + ... + 60732.

It is an arithmetic number, because the mean of its divisors is an integer number (11037426).

Almost surely, 2^165203952 is an apocalyptic number.

165203952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165203952 is an abundant number, since it is smaller than the sum of its proper divisors (276293088).

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

165203952 is a wasteful number, since it uses less digits than its factorization.

165203952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118721 (or 118715 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 165203952 is about 12853.1689477732. The cubic root of 165203952 is about 548.7065495214.

The spelling of 165203952 in words is "one hundred sixty-five million, two hundred three thousand, nine hundred fifty-two".