203164 has 12 divisors (see below), whose sum is σ = 382984. Its totient is φ = 93744.

The previous prime is 203141. The next prime is 203173. The reversal of 203164 is 461302.

203164 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203164² = 82551221792, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1902 + ... + 2005.

2²⁰³¹⁶⁴ is an apocalyptic number.

It is an amenable number.

203164 is a deficient number, since it is larger than the sum of its proper divisors (179820).

203164 is a wasteful number, since it uses less digits than its factorization.

203164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924 (or 3922 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 203164 is about 450.7371739717. The cubic root of 203164 is about 58.7871290878.

Adding to 203164 its reverse (461302), we get a palindrome (664466).

The spelling of 203164 in words is "two hundred three thousand, one hundred sixty-four".