164831207 has 2 divisors, whose sum is σ = 164831208. Its totient is φ = 164831206.

The previous prime is 164831203. The next prime is 164831231. The reversal of 164831207 is 702138461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164831207 - 2² = 164831203 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164831203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82415603 + 82415604.

It is an arithmetic number, because the mean of its divisors is an integer number (82415604).

Almost surely, 2^164831207 is an apocalyptic number.

164831207 is a deficient number, since it is larger than the sum of its proper divisors (1).

164831207 is an equidigital number, since it uses as much as digits as its factorization.

164831207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 164831207 is about 12838.6606388673. The cubic root of 164831207 is about 548.2935617433.

Adding to 164831207 its reverse (702138461), we get a palindrome (866969668).

The spelling of 164831207 in words is "one hundred sixty-four million, eight hundred thirty-one thousand, two hundred seven".