1680271880 has 64 divisors (see below), whose sum is σ = 4324320000. Its totient is φ = 575610624.

The previous prime is 1680271867. The next prime is 1680271907. The reversal of 1680271880 is 881720861.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544181 + ... + 547259.

It is an arithmetic number, because the mean of its divisors is an integer number (67567500).

Almost surely, 2^1680271880 is an apocalyptic number.

1680271880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1680271880 is an abundant number, since it is smaller than the sum of its proper divisors (2644048120).

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

1680271880 is a wasteful number, since it uses less digits than its factorization.

1680271880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046 (or 5042 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 41.

The square root of 1680271880 is about 40991.1195260632. The cubic root of 1680271880 is about 1188.8485154071.

The spelling of 1680271880 in words is "one billion, six hundred eighty million, two hundred seventy-one thousand, eight hundred eighty".