670534966738 has 192 divisors, whose sum is σ = 1325803997952. Its totient is φ = 247568555520.

The previous prime is 670534966723. The next prime is 670534966771. The reversal of 670534966738 is 837669435076.

It is a self number, because there is not a number n which added to its sum of digits gives 670534966738.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1689004756 + ... + 1689005152.

It is an arithmetic number, because the mean of its divisors is an integer number (6905229156).

Almost surely, 2^670534966738 is an apocalyptic number.

670534966738 is a deficient number, since it is larger than the sum of its proper divisors (655269031214).

670534966738 is a wasteful number, since it uses less digits than its factorization.

670534966738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 137168640, while the sum is 64.

The spelling of 670534966738 in words is "six hundred seventy billion, five hundred thirty-four million, nine hundred sixty-six thousand, seven hundred thirty-eight".