1670717163 has 4 divisors (see below), whose sum is σ = 2227622888. Its totient is φ = 1113811440.

The previous prime is 1670717161. The next prime is 1670717189. The reversal of 1670717163 is 3617170761.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1670717163 - 2¹ = 1670717161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1670717161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278452858 + ... + 278452863.

It is an arithmetic number, because the mean of its divisors is an integer number (556905722).

Almost surely, 2^1670717163 is an apocalyptic number.

1670717163 is a deficient number, since it is larger than the sum of its proper divisors (556905725).

1670717163 is an equidigital number, since it uses as much as digits as its factorization.

1670717163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556905724.

The product of its (nonzero) digits is 37044, while the sum is 39.

The square root of 1670717163 is about 40874.4071883618. The cubic root of 1670717163 is about 1186.5908033481.

The spelling of 1670717163 in words is "one billion, six hundred seventy million, seven hundred seventeen thousand, one hundred sixty-three".