1671671768 has 16 divisors (see below), whose sum is σ = 3375491280. Its totient is φ = 771540768.

The previous prime is 1671671747. The next prime is 1671671779. The reversal of 1671671768 is 8671761761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8036780 + ... + 8036987.

It is an arithmetic number, because the mean of its divisors is an integer number (210968205).

Almost surely, 2^1671671768 is an apocalyptic number.

It is an amenable number.

1671671768 is an abundant number, since it is smaller than the sum of its proper divisors (1703819512).

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

1671671768 is a wasteful number, since it uses less digits than its factorization.

1671671768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16073786 (or 16073782 counting only the distinct ones).

The product of its digits is 592704, while the sum is 50.

The square root of 1671671768 is about 40886.0828155498. The cubic root of 1671671768 is about 1186.8167561846.

The spelling of 1671671768 in words is "one billion, six hundred seventy-one million, six hundred seventy-one thousand, seven hundred sixty-eight".