670133668 has 12 divisors (see below), whose sum is σ = 1177298892. Its totient is φ = 333762560.

The previous prime is 670133657. The next prime is 670133669. The reversal of 670133668 is 866331076.

It can be written as a sum of positive squares in 2 ways, for example, as 644245924 + 25887744 = 25382^2 + 5088^2 .

It is a super-4 number, since 4×670133668⁴ (a number of 36 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 670133668.

It is not an unprimeable number, because it can be changed into a prime (670133669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324913 + ... + 326968.

It is an arithmetic number, because the mean of its divisors is an integer number (98108241).

Almost surely, 2^670133668 is an apocalyptic number.

It is an amenable number.

670133668 is a deficient number, since it is larger than the sum of its proper divisors (507165224).

670133668 is a wasteful number, since it uses less digits than its factorization.

670133668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652142 (or 652140 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 670133668 is about 25886.9401050028. The cubic root of 670133668 is about 875.0921994818.

The spelling of 670133668 in words is "six hundred seventy million, one hundred thirty-three thousand, six hundred sixty-eight".