1671317320 has 32 divisors (see below), whose sum is σ = 3770971200. Its totient is φ = 666659008.

The previous prime is 1671317309. The next prime is 1671317327. The reversal of 1671317320 is 237131761.

It is not an unprimeable number, because it can be changed into a prime (1671317327) 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, 43834 + ... + 72553.

It is an arithmetic number, because the mean of its divisors is an integer number (117842850).

Almost surely, 2^1671317320 is an apocalyptic number.

1671317320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1671317320 is an abundant number, since it is smaller than the sum of its proper divisors (2099653880).

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

1671317320 is a wasteful number, since it uses less digits than its factorization.

1671317320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116757 (or 116753 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 1671317320 is about 40881.7480056810. The cubic root of 1671317320 is about 1186.7328691902.

The spelling of 1671317320 in words is "one billion, six hundred seventy-one million, three hundred seventeen thousand, three hundred twenty".