670538907185 has 16 divisors (see below), whose sum is σ = 926212022400. Its totient is φ = 456490204416.

The previous prime is 670538907169. The next prime is 670538907187. The reversal of 670538907185 is 581709835076.

It is a cyclic number.

It is not a de Polignac number, because 670538907185 - 2⁴ = 670538907169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670538907187) 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, 68909720 + ... + 68919449.

It is an arithmetic number, because the mean of its divisors is an integer number (57888251400).

Almost surely, 2^670538907185 is an apocalyptic number.

It is an amenable number.

670538907185 is a deficient number, since it is larger than the sum of its proper divisors (255673115215).

670538907185 is a wasteful number, since it uses less digits than its factorization.

670538907185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137829320.

The product of its (nonzero) digits is 12700800, while the sum is 59.

The spelling of 670538907185 in words is "six hundred seventy billion, five hundred thirty-eight million, nine hundred seven thousand, one hundred eighty-five".