670137266 has 32 divisors (see below), whose sum is σ = 1047537792. Its totient is φ = 321269760.

The previous prime is 670137253. The next prime is 670137289. The reversal of 670137266 is 662731076.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2607410 + ... + 2607666.

It is an arithmetic number, because the mean of its divisors is an integer number (32735556).

Almost surely, 2^670137266 is an apocalyptic number.

670137266 is a deficient number, since it is larger than the sum of its proper divisors (377400526).

670137266 is a wasteful number, since it uses less digits than its factorization.

670137266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 670137266 is about 25887.0095994111. The cubic root of 670137266 is about 875.0937656251.

The spelling of 670137266 in words is "six hundred seventy million, one hundred thirty-seven thousand, two hundred sixty-six".