164211403 has 8 divisors (see below), whose sum is σ = 166118400. Its totient is φ = 162315048.
The previous prime is 164211401. The next prime is 164211409. The reversal of 164211403 is 304112461.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 164211403 - 21 = 164211401 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (164211401) 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, 30750 + ... + 35692.
It is an arithmetic number, because the mean of its divisors is an integer number (20764800).
Almost surely, 2164211403 is an apocalyptic number.
164211403 is a deficient number, since it is larger than the sum of its proper divisors (1906997).
164211403 is a wasteful number, since it uses less digits than its factorization.
164211403 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5321.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 164211403 is about 12814.4997171173. The cubic root of 164211403 is about 547.6054610825.
Adding to 164211403 its reverse (304112461), we get a palindrome (468323864).
The spelling of 164211403 in words is "one hundred sixty-four million, two hundred eleven thousand, four hundred three".
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