670803823185 has 16 divisors (see below), whose sum is σ = 1073896327680. Its totient is φ = 357558635520.

The previous prime is 670803823181. The next prime is 670803823189. The reversal of 670803823185 is 581328308076.

It is an interprime number because it is at equal distance from previous prime (670803823181) and next prime (670803823189).

It is not a de Polignac number, because 670803823185 - 2² = 670803823181 is a prime.

It is a super-2 number, since 2×670803823185² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (670803823181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12685456 + ... + 12738225.

It is an arithmetic number, because the mean of its divisors is an integer number (67118520480).

Almost surely, 2^670803823185 is an apocalyptic number.

It is an amenable number.

670803823185 is a deficient number, since it is larger than the sum of its proper divisors (403092504495).

670803823185 is a wasteful number, since it uses less digits than its factorization.

670803823185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25425448.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 670803823185 in words is "six hundred seventy billion, eight hundred three million, eight hundred twenty-three thousand, one hundred eighty-five".