670248407167525 has 24 divisors (see below), whose sum is σ = 850113210265064. Its totient is φ = 524049292166400.

The previous prime is 670248407167483. The next prime is 670248407167529. The reversal of 670248407167525 is 525761704842076.

It can be written as a sum of positive squares in 12 ways, for example, as 557190312604641 + 113058094562884 = 23604879^2 + 10632878^2 .

It is not a de Polignac number, because 670248407167525 - 2²⁷ = 670248272949797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670248407167529) 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 23 ways as a sum of consecutive naturals, for example, 1399464882 + ... + 1399943731.

Almost surely, 2^{670248407167525} is an apocalyptic number.

It is an amenable number.

670248407167525 is a deficient number, since it is larger than the sum of its proper divisors (179864803097539).

670248407167525 is a wasteful number, since it uses less digits than its factorization.

670248407167525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799408841 (or 2799408836 counting only the distinct ones).

The product of its (nonzero) digits is 158054400, while the sum is 64.

The spelling of 670248407167525 in words is "six hundred seventy trillion, two hundred forty-eight billion, four hundred seven million, one hundred sixty-seven thousand, five hundred twenty-five".