670688416826 has 8 divisors (see below), whose sum is σ = 1021048037760. Its totient is φ = 330339070908.

The previous prime is 670688416813. The next prime is 670688416831. The reversal of 670688416826 is 628614886076.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502568586 + ... + 2502568853.

It is an arithmetic number, because the mean of its divisors is an integer number (127631004720).

Almost surely, 2^670688416826 is an apocalyptic number.

670688416826 is a deficient number, since it is larger than the sum of its proper divisors (350359620934).

670688416826 is a wasteful number, since it uses less digits than its factorization.

670688416826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005137508.

The product of its (nonzero) digits is 37158912, while the sum is 62.

The spelling of 670688416826 in words is "six hundred seventy billion, six hundred eighty-eight million, four hundred sixteen thousand, eight hundred twenty-six".