1680679050 has 48 divisors (see below), whose sum is σ = 4311822240. Its totient is φ = 432725440.

The previous prime is 1680679031. The next prime is 1680679051. The reversal of 1680679050 is 509760861.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1680678993 and 1680679011.

It is not an unprimeable number, because it can be changed into a prime (1680679051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188832 + ... + 197531.

It is an arithmetic number, because the mean of its divisors is an integer number (89829630).

Almost surely, 2^1680679050 is an apocalyptic number.

1680679050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1680679050 is an abundant number, since it is smaller than the sum of its proper divisors (2631143190).

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

1680679050 is a wasteful number, since it uses less digits than its factorization.

1680679050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386407 (or 386402 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 1680679050 is about 40996.0857887677. The cubic root of 1680679050 is about 1188.9445364461.

The spelling of 1680679050 in words is "one billion, six hundred eighty million, six hundred seventy-nine thousand, fifty".