66060001 has 4 divisors (see below), whose sum is σ = 75497152. Its totient is φ = 56622852.

The previous prime is 66059969. The next prime is 66060031. The reversal of 66060001 is 10006066.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66060001 - 2⁵ = 66059969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66060031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4718565 + ... + 4718578.

It is an arithmetic number, because the mean of its divisors is an integer number (18874288).

Almost surely, 2^66060001 is an apocalyptic number.

It is an amenable number.

66060001 is a deficient number, since it is larger than the sum of its proper divisors (9437151).

66060001 is an equidigital number, since it uses as much as digits as its factorization.

66060001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9437150.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 66060001 is about 8127.7303720042. The cubic root of 66060001 is about 404.2464288299.

Adding to 66060001 its reverse (10006066), we get a palindrome (76066067).

The spelling of 66060001 in words is "sixty-six million, sixty thousand, one".