164002446331 has 2 divisors, whose sum is σ = 164002446332. Its totient is φ = 164002446330.

The previous prime is 164002446323. The next prime is 164002446337. The reversal of 164002446331 is 133644200461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164002446331 - 2³ = 164002446323 is a prime.

It is a super-2 number, since 2×164002446331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (164002446337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82001223165 + 82001223166.

It is an arithmetic number, because the mean of its divisors is an integer number (82001223166).

Almost surely, 2^164002446331 is an apocalyptic number.

164002446331 is a deficient number, since it is larger than the sum of its proper divisors (1).

164002446331 is an equidigital number, since it uses as much as digits as its factorization.

164002446331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 164002446331 its reverse (133644200461), we get a palindrome (297646646792).

The spelling of 164002446331 in words is "one hundred sixty-four billion, two million, four hundred forty-six thousand, three hundred thirty-one".