660171022 has 48 divisors (see below), whose sum is σ = 1200420000. Its totient is φ = 271166784.

The previous prime is 660171011. The next prime is 660171023. The reversal of 660171022 is 220171066.

660171022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660171023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 422679 + ... + 424237.

It is an arithmetic number, because the mean of its divisors is an integer number (25008750).

Almost surely, 2^660171022 is an apocalyptic number.

660171022 is a deficient number, since it is larger than the sum of its proper divisors (540248978).

660171022 is a wasteful number, since it uses less digits than its factorization.

660171022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753 (or 1746 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 660171022 is about 25693.7934528944. The cubic root of 660171022 is about 870.7339655540.

The spelling of 660171022 in words is "six hundred sixty million, one hundred seventy-one thousand, twenty-two".