660227741 has 8 divisors (see below), whose sum is σ = 680397144. Its totient is φ = 640180800.

The previous prime is 660227723. The next prime is 660227767. The reversal of 660227741 is 147722066.

It can be written as a sum of positive squares in 4 ways, for example, as 155102116 + 505125625 = 12454^2 + 22475^2 .

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 660227741 - 2²² = 656033437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660227341) 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, 19610 + ... + 41291.

It is an arithmetic number, because the mean of its divisors is an integer number (85049643).

Almost surely, 2^660227741 is an apocalyptic number.

It is an amenable number.

660227741 is a deficient number, since it is larger than the sum of its proper divisors (20169403).

660227741 is a wasteful number, since it uses less digits than its factorization.

660227741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61231.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 660227741 is about 25694.8971782337. The cubic root of 660227741 is about 870.7589013882.

It can be divided in two parts, 6602 and 27741, that added together give a palindrome (34343).

The spelling of 660227741 in words is "six hundred sixty million, two hundred twenty-seven thousand, seven hundred forty-one".