164917201 has 2 divisors, whose sum is σ = 164917202. Its totient is φ = 164917200.

The previous prime is 164917189. The next prime is 164917237. The reversal of 164917201 is 102719461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162817600 + 2099601 = 12760^2 + 1449^2 .

It is a cyclic number.

It is not a de Polignac number, because 164917201 - 2⁷ = 164917073 is a prime.

It is not a weakly prime, because it can be changed into another prime (164917261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82458600 + 82458601.

It is an arithmetic number, because the mean of its divisors is an integer number (82458601).

Almost surely, 2^164917201 is an apocalyptic number.

It is an amenable number.

164917201 is a deficient number, since it is larger than the sum of its proper divisors (1).

164917201 is an equidigital number, since it uses as much as digits as its factorization.

164917201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 164917201 is about 12842.0092275313. The cubic root of 164917201 is about 548.3888951458.

It can be divided in two parts, 16491720 and 1, that added together give a square (16491721 = 4061²).

The spelling of 164917201 in words is "one hundred sixty-four million, nine hundred seventeen thousand, two hundred one".