1680933344 has 48 divisors (see below), whose sum is σ = 3688448400. Its totient is φ = 749389824.

The previous prime is 1680933341. The next prime is 1680933377. The reversal of 1680933344 is 4433390861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680933341) 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, 70979 + ... + 91650.

It is an arithmetic number, because the mean of its divisors is an integer number (76842675).

Almost surely, 2^1680933344 is an apocalyptic number.

It is an amenable number.

1680933344 is an abundant number, since it is smaller than the sum of its proper divisors (2007515056).

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

1680933344 is a wasteful number, since it uses less digits than its factorization.

1680933344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162675 (or 162667 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 1680933344 is about 40999.1871138929. The cubic root of 1680933344 is about 1189.0044975701.

The spelling of 1680933344 in words is "one billion, six hundred eighty million, nine hundred thirty-three thousand, three hundred forty-four".