671066086045 has 8 divisors (see below), whose sum is σ = 820473252696. Its totient is φ = 526723569216.

The previous prime is 671066086003. The next prime is 671066086051. The reversal of 671066086045 is 540680660176.

It can be written as a sum of positive squares in 4 ways, for example, as 46291243716 + 624774842329 = 215154^2 + 790427^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 671066086045 - 2²³ = 671057697437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 671066086045.

It is a congruent number.

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, 1266162162 + ... + 1266162691.

It is an arithmetic number, because the mean of its divisors is an integer number (102559156587).

Almost surely, 2^671066086045 is an apocalyptic number.

It is an amenable number.

671066086045 is a deficient number, since it is larger than the sum of its proper divisors (149407166651).

671066086045 is a wasteful number, since it uses less digits than its factorization.

671066086045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532324911.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 671066086045 in words is "six hundred seventy-one billion, sixty-six million, eighty-six thousand, forty-five".