1668514670 has 8 divisors (see below), whose sum is σ = 3003326424. Its totient is φ = 667405864.

The previous prime is 1668514651. The next prime is 1668514693. The reversal of 1668514670 is 764158661.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 83425724 + ... + 83425743.

It is an arithmetic number, because the mean of its divisors is an integer number (375415803).

Almost surely, 2^1668514670 is an apocalyptic number.

1668514670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1668514670 is a deficient number, since it is larger than the sum of its proper divisors (1334811754).

1668514670 is a wasteful number, since it uses less digits than its factorization.

1668514670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166851474.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 1668514670 is about 40847.4561019410. The cubic root of 1668514670 is about 1186.0691496792.

The spelling of 1668514670 in words is "one billion, six hundred sixty-eight million, five hundred fourteen thousand, six hundred seventy".