164823849 has 32 divisors (see below), whose sum is σ = 254217600. Its totient is φ = 105416640.

The previous prime is 164823829. The next prime is 164823889. The reversal of 164823849 is 948328461.

It is a happy number.

It is not a de Polignac number, because 164823849 - 2¹¹ = 164821801 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164823809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141142 + ... + 142304.

It is an arithmetic number, because the mean of its divisors is an integer number (7944300).

Almost surely, 2^164823849 is an apocalyptic number.

It is an amenable number.

164823849 is a deficient number, since it is larger than the sum of its proper divisors (89393751).

164823849 is a wasteful number, since it uses less digits than its factorization.

164823849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382 (or 1376 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 164823849 is about 12838.3740792984. The cubic root of 164823849 is about 548.2854030858.

The spelling of 164823849 in words is "one hundred sixty-four million, eight hundred twenty-three thousand, eight hundred forty-nine".