670616491507 has 2 divisors, whose sum is σ = 670616491508. Its totient is φ = 670616491506.

The previous prime is 670616491451. The next prime is 670616491619. The reversal of 670616491507 is 705194616076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670616491507 - 2²⁷ = 670482273779 is a prime.

It is not a weakly prime, because it can be changed into another prime (670616191507) 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 as a sum of consecutive naturals, namely, 335308245753 + 335308245754.

It is an arithmetic number, because the mean of its divisors is an integer number (335308245754).

Almost surely, 2^670616491507 is an apocalyptic number.

670616491507 is a deficient number, since it is larger than the sum of its proper divisors (1).

670616491507 is an equidigital number, since it uses as much as digits as its factorization.

670616491507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 670616491507 in words is "six hundred seventy billion, six hundred sixteen million, four hundred ninety-one thousand, five hundred seven".