667144170 has 96 divisors (see below), whose sum is σ = 2162609280. Its totient is φ = 138625920.

The previous prime is 667144157. The next prime is 667144171. The reversal of 667144170 is 71441766.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (667144171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41205 + ... + 55064.

It is an arithmetic number, because the mean of its divisors is an integer number (22527180).

Almost surely, 2^667144170 is an apocalyptic number.

667144170 is an abundant number, since it is smaller than the sum of its proper divisors (1495465110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667144170 is a wasteful number, since it uses less digits than its factorization.

667144170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96300 (or 96297 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 667144170 is about 25829.1341318287. The cubic root of 667144170 is about 873.7889837519.

It can be divided in two parts, 6 and 67144170, that added together give a palindrome (67144176).

The spelling of 667144170 in words is "six hundred sixty-seven million, one hundred forty-four thousand, one hundred seventy".