1670868357 has 8 divisors (see below), whose sum is σ = 2239368384. Its totient is φ = 1108140288.

The previous prime is 1670868343. The next prime is 1670868383. The reversal of 1670868357 is 7538680761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1670868357 - 2¹⁰ = 1670867333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670868317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1442313 + ... + 1443470.

It is an arithmetic number, because the mean of its divisors is an integer number (279921048).

Almost surely, 2^1670868357 is an apocalyptic number.

It is an amenable number.

1670868357 is a deficient number, since it is larger than the sum of its proper divisors (568500027).

1670868357 is a wasteful number, since it uses less digits than its factorization.

1670868357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885979.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The square root of 1670868357 is about 40876.2566412337. The cubic root of 1670868357 is about 1186.6265963601.

The spelling of 1670868357 in words is "one billion, six hundred seventy million, eight hundred sixty-eight thousand, three hundred fifty-seven".