66027193 has 8 divisors (see below), whose sum is σ = 67495680. Its totient is φ = 64571280.

The previous prime is 66027139. The next prime is 66027197. The reversal of 66027193 is 39172066.

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 66027193 - 2¹³ = 66019001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66027197) 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, 7896 + ... + 13942.

It is an arithmetic number, because the mean of its divisors is an integer number (8436960).

Almost surely, 2^66027193 is an apocalyptic number.

It is an amenable number.

66027193 is a deficient number, since it is larger than the sum of its proper divisors (1468487).

66027193 is a wasteful number, since it uses less digits than its factorization.

66027193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6287.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 66027193 is about 8125.7118457400. The cubic root of 66027193 is about 404.1794961788.

The spelling of 66027193 in words is "sixty-six million, twenty-seven thousand, one hundred ninety-three".