166248001 has 2 divisors, whose sum is σ = 166248002. Its totient is φ = 166248000.

The previous prime is 166247969. The next prime is 166248013. The reversal of 166248001 is 100842661.

166248001 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., 163814401 + 2433600 = 12799^2 + 1560^2 .

It is an emirp because it is prime and its reverse (100842661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166248001 - 2⁵ = 166247969 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (166548001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83124000 + 83124001.

It is an arithmetic number, because the mean of its divisors is an integer number (83124001).

Almost surely, 2^166248001 is an apocalyptic number.

It is an amenable number.

166248001 is a deficient number, since it is larger than the sum of its proper divisors (1).

166248001 is an equidigital number, since it uses as much as digits as its factorization.

166248001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 166248001 is about 12893.7194400995. The cubic root of 166248001 is about 549.8600205755.

The spelling of 166248001 in words is "one hundred sixty-six million, two hundred forty-eight thousand, one".