1680485466 has 32 divisors (see below), whose sum is σ = 3669193728. Its totient is φ = 508865840.

The previous prime is 1680485461. The next prime is 1680485467. The reversal of 1680485466 is 6645840861.

It is not an unprimeable number, because it can be changed into a prime (1680485461) 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 15 ways as a sum of consecutive naturals, for example, 89581 + ... + 106703.

It is an arithmetic number, because the mean of its divisors is an integer number (114662304).

Almost surely, 2^1680485466 is an apocalyptic number.

1680485466 is an abundant number, since it is smaller than the sum of its proper divisors (1988708262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1680485466 is a wasteful number, since it uses less digits than its factorization.

1680485466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18626.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The square root of 1680485466 is about 40993.7247148878. The cubic root of 1680485466 is about 1188.8988863508.

The spelling of 1680485466 in words is "one billion, six hundred eighty million, four hundred eighty-five thousand, four hundred sixty-six".