66060193 has 8 divisors (see below), whose sum is σ = 67046400. Its totient is φ = 65081520.

The previous prime is 66060187. The next prime is 66060217. The reversal of 66060193 is 39106066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66060193 - 2⁹ = 66059681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66060103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17178 + ... + 20668.

It is an arithmetic number, because the mean of its divisors is an integer number (8380800).

Almost surely, 2^66060193 is an apocalyptic number.

It is an amenable number.

66060193 is a deficient number, since it is larger than the sum of its proper divisors (986207).

66060193 is a wasteful number, since it uses less digits than its factorization.

66060193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 66060193 is about 8127.7421834111. The cubic root of 66060193 is about 404.2468204700.

The spelling of 66060193 in words is "sixty-six million, sixty thousand, one hundred ninety-three".