164366497 has 2 divisors, whose sum is σ = 164366498. Its totient is φ = 164366496.

The previous prime is 164366483. The next prime is 164366551. The reversal of 164366497 is 794663461.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152004241 + 12362256 = 12329^2 + 3516^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164366497 is a prime.

It is not a weakly prime, because it can be changed into another prime (164366407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82183248 + 82183249.

It is an arithmetic number, because the mean of its divisors is an integer number (82183249).

Almost surely, 2^164366497 is an apocalyptic number.

It is an amenable number.

164366497 is a deficient number, since it is larger than the sum of its proper divisors (1).

164366497 is an equidigital number, since it uses as much as digits as its factorization.

164366497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 46.

The square root of 164366497 is about 12820.5497932031. The cubic root of 164366497 is about 547.7778072079. Note that the first 3 decimals are identical.

The spelling of 164366497 in words is "one hundred sixty-four million, three hundred sixty-six thousand, four hundred ninety-seven".