1680047159 has 8 divisors (see below), whose sum is σ = 1956281760. Its totient is φ = 1412869536.

The previous prime is 1680047147. The next prime is 1680047179. The reversal of 1680047159 is 9517400861.

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

It is a cyclic number.

It is not a de Polignac number, because 1680047159 - 2⁴ = 1680047143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680047129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2263844 + ... + 2264585.

It is an arithmetic number, because the mean of its divisors is an integer number (244535220).

Almost surely, 2^1680047159 is an apocalyptic number.

1680047159 is a deficient number, since it is larger than the sum of its proper divisors (276234601).

1680047159 is an equidigital number, since it uses as much as digits as its factorization.

1680047159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528489.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 1680047159 is about 40988.3783406955. The cubic root of 1680047159 is about 1188.7955138380.

The spelling of 1680047159 in words is "one billion, six hundred eighty million, forty-seven thousand, one hundred fifty-nine".