671511816034 has 8 divisors (see below), whose sum is σ = 1007291918700. Its totient is φ = 335747843136.

The previous prime is 671511816013. The next prime is 671511816083. The reversal of 671511816034 is 430618115176.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 485108071009 + 186403745025 = 696497^2 + 431745^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3927819 + ... + 4095214.

Almost surely, 2^671511816034 is an apocalyptic number.

671511816034 is a deficient number, since it is larger than the sum of its proper divisors (335780102666).

671511816034 is a wasteful number, since it uses less digits than its factorization.

671511816034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8064884.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 671511816034 in words is "six hundred seventy-one billion, five hundred eleven million, eight hundred sixteen thousand, thirty-four".