164266601 has 2 divisors, whose sum is σ = 164266602. Its totient is φ = 164266600.

The previous prime is 164266591. The next prime is 164266633. The reversal of 164266601 is 106662461.

It is an a-pointer prime, because the next prime (164266633) can be obtained adding 164266601 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137475625 + 26790976 = 11725^2 + 5176^2 .

It is a cyclic number.

It is not a de Polignac number, because 164266601 - 2⁶ = 164266537 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164266651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82133300 + 82133301.

It is an arithmetic number, because the mean of its divisors is an integer number (82133301).

Almost surely, 2^164266601 is an apocalyptic number.

It is an amenable number.

164266601 is a deficient number, since it is larger than the sum of its proper divisors (1).

164266601 is an equidigital number, since it uses as much as digits as its factorization.

164266601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 164266601 is about 12816.6532683068. The cubic root of 164266601 is about 547.6668115522. Note that the first 3 decimals are identical.

The spelling of 164266601 in words is "one hundred sixty-four million, two hundred sixty-six thousand, six hundred one".