164340933 has 4 divisors (see below), whose sum is σ = 219121248. Its totient is φ = 109560620.

The previous prime is 164340923. The next prime is 164340949. The reversal of 164340933 is 339043461.

164340933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164340933 - 2⁸ = 164340677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164340894 and 164340903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164340923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27390153 + ... + 27390158.

It is an arithmetic number, because the mean of its divisors is an integer number (54780312).

Almost surely, 2^164340933 is an apocalyptic number.

It is an amenable number.

164340933 is a deficient number, since it is larger than the sum of its proper divisors (54780315).

164340933 is an equidigital number, since it uses as much as digits as its factorization.

164340933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54780314.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 164340933 is about 12819.5527613096. The cubic root of 164340933 is about 547.7494070206.

The spelling of 164340933 in words is "one hundred sixty-four million, three hundred forty thousand, nine hundred thirty-three".