64161001 has 2 divisors, whose sum is σ = 64161002. Its totient is φ = 64161000.

The previous prime is 64160953. The next prime is 64161017. The reversal of 64161001 is 10016146.

It is a happy number.

64161001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55517401 + 8643600 = 7451^2 + 2940^2 .

It is a cyclic number.

It is not a de Polignac number, because 64161001 - 2⁹ = 64160489 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64161001.

It is not a weakly prime, because it can be changed into another prime (64161401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32080500 + 32080501.

It is an arithmetic number, because the mean of its divisors is an integer number (32080501).

Almost surely, 2^64161001 is an apocalyptic number.

It is an amenable number.

64161001 is a deficient number, since it is larger than the sum of its proper divisors (1).

64161001 is an equidigital number, since it uses as much as digits as its factorization.

64161001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 64161001 is about 8010.0562419998. The cubic root of 64161001 is about 400.3351378781.

Adding to 64161001 its reverse (10016146), we get a palindrome (74177147).

The spelling of 64161001 in words is "sixty-four million, one hundred sixty-one thousand, one".