1680915160 has 32 divisors (see below), whose sum is σ = 3816766800. Its totient is φ = 666195840.

The previous prime is 1680915151. The next prime is 1680915167. The reversal of 1680915160 is 615190861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680915167) 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, 188406 + ... + 197125.

Almost surely, 2^1680915160 is an apocalyptic number.

1680915160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1680915160 is an abundant number, since it is smaller than the sum of its proper divisors (2135851640).

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

1680915160 is a wasteful number, since it uses less digits than its factorization.

1680915160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385651 (or 385647 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 1680915160 is about 40998.9653527988. The cubic root of 1680915160 is about 1189.0002100838. Note that the first 3 decimals are identical.

The spelling of 1680915160 in words is "one billion, six hundred eighty million, nine hundred fifteen thousand, one hundred sixty".