1680733315 has 8 divisors (see below), whose sum is σ = 2023325568. Its totient is φ = 1340289600.

The previous prime is 1680733267. The next prime is 1680733319. The reversal of 1680733315 is 5133370861.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1680733315 - 2²⁷ = 1546515587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1680733319) 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, 535411 + ... + 538540.

It is an arithmetic number, because the mean of its divisors is an integer number (252915696).

Almost surely, 2^1680733315 is an apocalyptic number.

1680733315 is a deficient number, since it is larger than the sum of its proper divisors (342592253).

1680733315 is a wasteful number, since it uses less digits than its factorization.

1680733315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074269.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 1680733315 is about 40996.7476149023. The cubic root of 1680733315 is about 1188.9573323417.

The spelling of 1680733315 in words is "one billion, six hundred eighty million, seven hundred thirty-three thousand, three hundred fifteen".