671606715602 has 4 divisors (see below), whose sum is σ = 1007410073406. Its totient is φ = 335803357800.

The previous prime is 671606715599. The next prime is 671606715673. The reversal of 671606715602 is 206517606176.

671606715602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 424646419201 + 246960296401 = 651649^2 + 496951^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167901678899 + ... + 167901678902.

Almost surely, 2^671606715602 is an apocalyptic number.

671606715602 is a deficient number, since it is larger than the sum of its proper divisors (335803357804).

671606715602 is a wasteful number, since it uses less digits than its factorization.

671606715602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335803357803.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 671606715602 in words is "six hundred seventy-one billion, six hundred six million, seven hundred fifteen thousand, six hundred two".