667602244 has 9 divisors (see below), whose sum is σ = 1168394367. Its totient is φ = 333775284.

The previous prime is 667602227. The next prime is 667602251. The reversal of 667602244 is 442206766.

The square root of 667602244 is 25838.

It is a perfect power (a square), and thus also a powerful number.

667602244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 45217 + ... + 58135.

Almost surely, 2^667602244 is an apocalyptic number.

667602244 is the 25838-th square number.

It is an amenable number.

667602244 is a deficient number, since it is larger than the sum of its proper divisors (500792123).

667602244 is an frugal number, since it uses more digits than its factorization.

667602244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25842 (or 12921 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The cubic root of 667602244 is about 873.9889247637.

The spelling of 667602244 in words is "six hundred sixty-seven million, six hundred two thousand, two hundred forty-four".