166036601 has 2 divisors, whose sum is σ = 166036602. Its totient is φ = 166036600.

The previous prime is 166036597. The next prime is 166036613. The reversal of 166036601 is 106630661.

166036601 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., 89491600 + 76545001 = 9460^2 + 8749^2 .

It is an emirp because it is prime and its reverse (106630661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166036601 - 2² = 166036597 is a prime.

It is not a weakly prime, because it can be changed into another prime (166036681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83018300 + 83018301.

It is an arithmetic number, because the mean of its divisors is an integer number (83018301).

Almost surely, 2^166036601 is an apocalyptic number.

It is an amenable number.

166036601 is a deficient number, since it is larger than the sum of its proper divisors (1).

166036601 is an equidigital number, since it uses as much as digits as its factorization.

166036601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 166036601 is about 12885.5190427084. The cubic root of 166036601 is about 549.6268554393.

The spelling of 166036601 in words is "one hundred sixty-six million, thirty-six thousand, six hundred one".