164254152929 has 2 divisors, whose sum is σ = 164254152930. Its totient is φ = 164254152928.

The previous prime is 164254152901. The next prime is 164254152977. The reversal of 164254152929 is 929251452461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145832334400 + 18421818529 = 381880^2 + 135727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164254152929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (164254152229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82127076464 + 82127076465.

It is an arithmetic number, because the mean of its divisors is an integer number (82127076465).

Almost surely, 2^164254152929 is an apocalyptic number.

It is an amenable number.

164254152929 is a deficient number, since it is larger than the sum of its proper divisors (1).

164254152929 is an equidigital number, since it uses as much as digits as its factorization.

164254152929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 50.

The spelling of 164254152929 in words is "one hundred sixty-four billion, two hundred fifty-four million, one hundred fifty-two thousand, nine hundred twenty-nine".