670783666751 has 16 divisors (see below), whose sum is σ = 751565485440. Its totient is φ = 593407540320.

The previous prime is 670783666741. The next prime is 670783666753. The reversal of 670783666751 is 157666387076.

It is a cyclic number.

It is not a de Polignac number, because 670783666751 - 2⁶ = 670783666687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670783666753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2508725 + ... + 2763198.

It is an arithmetic number, because the mean of its divisors is an integer number (46972842840).

Almost surely, 2^670783666751 is an apocalyptic number.

670783666751 is a deficient number, since it is larger than the sum of its proper divisors (80781818689).

670783666751 is a wasteful number, since it uses less digits than its factorization.

670783666751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5272246.

The product of its (nonzero) digits is 53343360, while the sum is 62.

The spelling of 670783666751 in words is "six hundred seventy billion, seven hundred eighty-three million, six hundred sixty-six thousand, seven hundred fifty-one".