671080782010 has 16 divisors (see below), whose sum is σ = 1209438556200. Its totient is φ = 268100502016.

The previous prime is 671080781993. The next prime is 671080782083. The reversal of 671080782010 is 10287080176.

It can be written as a sum of positive squares in 4 ways, for example, as 578650797481 + 92429984529 = 760691^2 + 304023^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41467855 + ... + 41484034.

Almost surely, 2^671080782010 is an apocalyptic number.

671080782010 is a deficient number, since it is larger than the sum of its proper divisors (538357774190).

671080782010 is a wasteful number, since it uses less digits than its factorization.

671080782010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82952705.

The product of its (nonzero) digits is 37632, while the sum is 40.

The spelling of 671080782010 in words is "six hundred seventy-one billion, eighty million, seven hundred eighty-two thousand, ten".