671215170602 has 16 divisors (see below), whose sum is σ = 1031403392712. Its totient is φ = 327414420480.

The previous prime is 671215170569. The next prime is 671215170641. The reversal of 671215170602 is 206071512176.

It can be written as a sum of positive squares in 4 ways, for example, as 608164462801 + 63050707801 = 779849^2 + 251099^2 .

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, 5319548 + ... + 5444264.

Almost surely, 2^671215170602 is an apocalyptic number.

671215170602 is a deficient number, since it is larger than the sum of its proper divisors (360188222110).

671215170602 is a wasteful number, since it uses less digits than its factorization.

671215170602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190393.

The product of its (nonzero) digits is 35280, while the sum is 38.

Adding to 671215170602 its reverse (206071512176), we get a palindrome (877286682778).

The spelling of 671215170602 in words is "six hundred seventy-one billion, two hundred fifteen million, one hundred seventy thousand, six hundred two".