203411164 has 18 divisors (see below), whose sum is σ = 391273232. Its totient is φ = 92459400.

The previous prime is 203411147. The next prime is 203411213. The reversal of 203411164 is 461114302.

It is a super-2 number, since 2×203411164² = 82752203279669792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 5 ways as a sum of consecutive naturals, for example, 209652 + ... + 210619.

Almost surely, 2^203411164 is an apocalyptic number.

It is an amenable number.

203411164 is a deficient number, since it is larger than the sum of its proper divisors (187862068).

203411164 is a wasteful number, since it uses less digits than its factorization.

203411164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420297 (or 420284 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 203411164 is about 14262.2285776102. The cubic root of 203411164 is about 588.1095905380.

Adding to 203411164 its reverse (461114302), we get a palindrome (664525466).

The spelling of 203411164 in words is "two hundred three million, four hundred eleven thousand, one hundred sixty-four".