164710531 has 2 divisors, whose sum is σ = 164710532. Its totient is φ = 164710530.

The previous prime is 164710523. The next prime is 164710547. The reversal of 164710531 is 135017461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164710531 - 2³ = 164710523 is a prime.

It is a super-2 number, since 2×164710531² = 54259118044603922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164710531.

It is not a weakly prime, because it can be changed into another prime (164713531) 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, 82355265 + 82355266.

It is an arithmetic number, because the mean of its divisors is an integer number (82355266).

Almost surely, 2^164710531 is an apocalyptic number.

164710531 is a deficient number, since it is larger than the sum of its proper divisors (1).

164710531 is an equidigital number, since it uses as much as digits as its factorization.

164710531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 164710531 is about 12833.9600669474. The cubic root of 164710531 is about 548.1597237629.

Adding to 164710531 its reverse (135017461), we get a palindrome (299727992).

The spelling of 164710531 in words is "one hundred sixty-four million, seven hundred ten thousand, five hundred thirty-one".