671267197036 has 48 divisors (see below), whose sum is σ = 1294250783616. Its totient is φ = 303335911424.

The previous prime is 671267197031. The next prime is 671267197039. The reversal of 671267197036 is 630791762176.

It is not an unprimeable number, because it can be changed into a prime (671267197031) 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, 1812061 + ... + 2150836.

It is an arithmetic number, because the mean of its divisors is an integer number (26963557992).

Almost surely, 2^671267197036 is an apocalyptic number.

It is an amenable number.

671267197036 is a deficient number, since it is larger than the sum of its proper divisors (622983586580).

671267197036 is a wasteful number, since it uses less digits than its factorization.

671267197036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963018 (or 3963016 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 55.

The spelling of 671267197036 in words is "six hundred seventy-one billion, two hundred sixty-seven million, one hundred ninety-seven thousand, thirty-six".