1680922344 has 32 divisors (see below), whose sum is σ = 4271199840. Its totient is φ = 551121600.

The previous prime is 1680922289. The next prime is 1680922351. The reversal of 1680922344 is 4432290861.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572622 + ... + 575549.

It is an arithmetic number, because the mean of its divisors is an integer number (133474995).

Almost surely, 2^1680922344 is an apocalyptic number.

It is an amenable number.

1680922344 is an abundant number, since it is smaller than the sum of its proper divisors (2590277496).

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

1680922344 is a wasteful number, since it uses less digits than its factorization.

1680922344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148241 (or 1148237 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 1680922344 is about 40999.0529646722. The cubic root of 1680922344 is about 1189.0019039558.

The spelling of 1680922344 in words is "one billion, six hundred eighty million, nine hundred twenty-two thousand, three hundred forty-four".