1680229617 has 8 divisors (see below), whose sum is σ = 2443970400. Its totient is φ = 1018320960.

The previous prime is 1680229597. The next prime is 1680229619. The reversal of 1680229617 is 7169220861.

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

It is not a de Polignac number, because 1680229617 - 2²⁰ = 1679181041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1680229619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25457992 + ... + 25458057.

It is an arithmetic number, because the mean of its divisors is an integer number (305496300).

Almost surely, 2^1680229617 is an apocalyptic number.

It is an amenable number.

1680229617 is a deficient number, since it is larger than the sum of its proper divisors (763740783).

1680229617 is a wasteful number, since it uses less digits than its factorization.

1680229617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50916063.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 1680229617 is about 40990.6040087238. The cubic root of 1680229617 is about 1188.8385478285.

The spelling of 1680229617 in words is "one billion, six hundred eighty million, two hundred twenty-nine thousand, six hundred seventeen".