164630029 has 2 divisors, whose sum is σ = 164630030. Its totient is φ = 164630028.

The previous prime is 164630017. The next prime is 164630051. The reversal of 164630029 is 920036461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162945225 + 1684804 = 12765^2 + 1298^2 .

It is an emirp because it is prime and its reverse (920036461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164630029 is a prime.

It is equal to p_9219442 and since 164630029 and 9219442 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164630009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82315014 + 82315015.

It is an arithmetic number, because the mean of its divisors is an integer number (82315015).

Almost surely, 2^164630029 is an apocalyptic number.

It is an amenable number.

164630029 is a deficient number, since it is larger than the sum of its proper divisors (1).

164630029 is an equidigital number, since it uses as much as digits as its factorization.

164630029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 164630029 is about 12830.8233952463. The cubic root of 164630029 is about 548.0704051567.

The spelling of 164630029 in words is "one hundred sixty-four million, six hundred thirty thousand, twenty-nine".