660226159 has 8 divisors (see below), whose sum is σ = 662621040. Its totient is φ = 657836736.

The previous prime is 660226139. The next prime is 660226163. The reversal of 660226159 is 951622066.

660226159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 660226159 - 2⁷ = 660226031 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 (660226139) 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, 601299 + ... + 602395.

It is an arithmetic number, because the mean of its divisors is an integer number (82827630).

Almost surely, 2^660226159 is an apocalyptic number.

660226159 is a deficient number, since it is larger than the sum of its proper divisors (2394881).

660226159 is a wasteful number, since it uses less digits than its factorization.

660226159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 660226159 is about 25694.8663938928. The cubic root of 660226159 is about 870.7582059001.

It can be divided in two parts, 6602 and 26159, that added together give a square (32761 = 181²).

The spelling of 660226159 in words is "six hundred sixty million, two hundred twenty-six thousand, one hundred fifty-nine".