164133403 has 8 divisors (see below), whose sum is σ = 189059072. Its totient is φ = 139577256.

The previous prime is 164133401. The next prime is 164133433. The reversal of 164133403 is 304331461.

It is a happy number.

164133403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164133403 - 2¹ = 164133401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164133401) 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, 91425 + ... + 93202.

It is an arithmetic number, because the mean of its divisors is an integer number (23632384).

Almost surely, 2^164133403 is an apocalyptic number.

164133403 is a deficient number, since it is larger than the sum of its proper divisors (24925669).

164133403 is a wasteful number, since it uses less digits than its factorization.

164133403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184761.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 164133403 is about 12811.4559281918. The cubic root of 164133403 is about 547.5187436158.

Adding to 164133403 its reverse (304331461), we get a palindrome (468464864).

The spelling of 164133403 in words is "one hundred sixty-four million, one hundred thirty-three thousand, four hundred three".