164994933 has 4 divisors (see below), whose sum is σ = 219993248. Its totient is φ = 109996620.

The previous prime is 164994931. The next prime is 164994941. The reversal of 164994933 is 339499461.

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 not a de Polignac number, because 164994933 - 2¹ = 164994931 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164994931) 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, 27499153 + ... + 27499158.

It is an arithmetic number, because the mean of its divisors is an integer number (54998312).

Almost surely, 2^164994933 is an apocalyptic number.

It is an amenable number.

164994933 is a deficient number, since it is larger than the sum of its proper divisors (54998315).

164994933 is an equidigital number, since it uses as much as digits as its factorization.

164994933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54998314.

The product of its digits is 629856, while the sum is 48.

The square root of 164994933 is about 12845.0353444434. The cubic root of 164994933 is about 548.4750407384.

The spelling of 164994933 in words is "one hundred sixty-four million, nine hundred ninety-four thousand, nine hundred thirty-three".