60066642221 has 4 divisors (see below), whose sum is σ = 60068808000. Its totient is φ = 60064476444.

The previous prime is 60066642217. The next prime is 60066642253. The reversal of 60066642221 is 12224666006.

60066642221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 60066642221 - 2² = 60066642217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60066642271) 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, 1040741 + ... + 1096938.

It is an arithmetic number, because the mean of its divisors is an integer number (15017202000).

Almost surely, 2^60066642221 is an apocalyptic number.

It is an amenable number.

60066642221 is a deficient number, since it is larger than the sum of its proper divisors (2165779).

60066642221 is a wasteful number, since it uses less digits than its factorization.

60066642221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165778.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 60066642221 in words is "sixty billion, sixty-six million, six hundred forty-two thousand, two hundred twenty-one".