671530263117 has 16 divisors (see below), whose sum is σ = 1025240793600. Its totient is φ = 382997860272.

The previous prime is 671530263071. The next prime is 671530263137. The reversal of 671530263117 is 711362035176.

It is not a de Polignac number, because 671530263117 - 2⁸ = 671530262861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671530263137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30560367 + ... + 30582332.

It is an arithmetic number, because the mean of its divisors is an integer number (64077549600).

Almost surely, 2^671530263117 is an apocalyptic number.

It is an amenable number.

671530263117 is a deficient number, since it is larger than the sum of its proper divisors (353710530483).

671530263117 is a wasteful number, since it uses less digits than its factorization.

671530263117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61143232.

The product of its (nonzero) digits is 158760, while the sum is 42.

The spelling of 671530263117 in words is "six hundred seventy-one billion, five hundred thirty million, two hundred sixty-three thousand, one hundred seventeen".