671044457061010 has 16 divisors (see below), whose sum is σ = 1278931788751896. Its totient is φ = 252628501481728.

The previous prime is 671044457060987. The next prime is 671044457061029. The reversal of 671044457061010 is 10160754440176.

It can be written as a sum of positive squares in 4 ways, for example, as 670937796686089 + 106660374921 = 25902467^2 + 326589^2 .

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, 1973660167657 + ... + 1973660167996.

Almost surely, 2^{671044457061010} is an apocalyptic number.

671044457061010 is a deficient number, since it is larger than the sum of its proper divisors (607887331690886).

671044457061010 is a wasteful number, since it uses less digits than its factorization.

671044457061010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947320335677.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 671044457061010 in words is "six hundred seventy-one trillion, forty-four billion, four hundred fifty-seven million, sixty-one thousand, ten".