670064221267 has 8 divisors (see below), whose sum is σ = 784465430112. Its totient is φ = 560332449600.

The previous prime is 670064221261. The next prime is 670064221283. The reversal of 670064221267 is 762122460076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 670064221267 - 2⁷ = 670064221139 is a prime.

It is a super-2 number, since 2×670064221267² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (670064221261) 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 7 ways as a sum of consecutive naturals, for example, 1167358984 + ... + 1167359557.

It is an arithmetic number, because the mean of its divisors is an integer number (98058178764).

Almost surely, 2^670064221267 is an apocalyptic number.

670064221267 is a deficient number, since it is larger than the sum of its proper divisors (114401208845).

670064221267 is a wasteful number, since it uses less digits than its factorization.

670064221267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334718589.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 670064221267 in words is "six hundred seventy billion, sixty-four million, two hundred twenty-one thousand, two hundred sixty-seven".