1670516163 has 16 divisors (see below), whose sum is σ = 2481315840. Its totient is φ = 1110762792.

The previous prime is 1670516153. The next prime is 1670516173. The reversal of 1670516163 is 3616150761.

1670516163 is a `hidden beast` number, since 16 + 70 + 516 + 1 + 63 = 666.

It is an interprime number because it is at equal distance from previous prime (1670516153) and next prime (1670516173).

It is not a de Polignac number, because 1670516163 - 2⁵ = 1670516131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1670516153) 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, 70431 + ... + 91112.

It is an arithmetic number, because the mean of its divisors is an integer number (155082240).

Almost surely, 2^1670516163 is an apocalyptic number.

1670516163 is a deficient number, since it is larger than the sum of its proper divisors (810799677).

1670516163 is a wasteful number, since it uses less digits than its factorization.

1670516163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161935 (or 161929 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 1670516163 is about 40871.9483631500. The cubic root of 1670516163 is about 1186.5432161359.

The spelling of 1670516163 in words is "one billion, six hundred seventy million, five hundred sixteen thousand, one hundred sixty-three".