1670170863 has 8 divisors (see below), whose sum is σ = 2228023168. Its totient is φ = 1112882904.

The previous prime is 1670170847. The next prime is 1670170939. The reversal of 1670170863 is 3680710761.

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

It is not a de Polignac number, because 1670170863 - 2⁴ = 1670170847 is a prime.

It is a super-2 number, since 2×1670170863² = 5578941423228329538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670177863) 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, 134131 + ... + 146052.

It is an arithmetic number, because the mean of its divisors is an integer number (278502896).

Almost surely, 2^1670170863 is an apocalyptic number.

1670170863 is a deficient number, since it is larger than the sum of its proper divisors (557852305).

1670170863 is a wasteful number, since it uses less digits than its factorization.

1670170863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282173.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 1670170863 is about 40867.7239762627. The cubic root of 1670170863 is about 1186.4614566545.

The spelling of 1670170863 in words is "one billion, six hundred seventy million, one hundred seventy thousand, eight hundred sixty-three".