164243701 has 2 divisors, whose sum is σ = 164243702. Its totient is φ = 164243700.

The previous prime is 164243689. The next prime is 164243719. The reversal of 164243701 is 107342461.

164243701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124880625 + 39363076 = 11175^2 + 6274^2 .

It is a cyclic number.

It is not a de Polignac number, because 164243701 - 2¹¹ = 164241653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164243701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164243741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82121850 + 82121851.

It is an arithmetic number, because the mean of its divisors is an integer number (82121851).

Almost surely, 2^164243701 is an apocalyptic number.

It is an amenable number.

164243701 is a deficient number, since it is larger than the sum of its proper divisors (1).

164243701 is an equidigital number, since it uses as much as digits as its factorization.

164243701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 164243701 is about 12815.7598682247. The cubic root of 164243701 is about 547.6413607449.

The spelling of 164243701 in words is "one hundred sixty-four million, two hundred forty-three thousand, seven hundred one".