164823829 has 2 divisors, whose sum is σ = 164823830. Its totient is φ = 164823828.

The previous prime is 164823811. The next prime is 164823889. The reversal of 164823829 is 928328461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152028900 + 12794929 = 12330^2 + 3577^2 .

It is a cyclic number.

It is not a de Polignac number, because 164823829 - 2⁵ = 164823797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164823809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82411914 + 82411915.

It is an arithmetic number, because the mean of its divisors is an integer number (82411915).

Almost surely, 2^164823829 is an apocalyptic number.

It is an amenable number.

164823829 is a deficient number, since it is larger than the sum of its proper divisors (1).

164823829 is an equidigital number, since it uses as much as digits as its factorization.

164823829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 43.

The square root of 164823829 is about 12838.3733003835. The cubic root of 164823829 is about 548.2853809092.

The spelling of 164823829 in words is "one hundred sixty-four million, eight hundred twenty-three thousand, eight hundred twenty-nine".