671272532318 has 8 divisors (see below), whose sum is σ = 1007287485960. Its totient is φ = 335510037000.

The previous prime is 671272532311. The next prime is 671272532321. The reversal of 671272532318 is 813235272176.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671272532311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63107933 + ... + 63118568.

It is an arithmetic number, because the mean of its divisors is an integer number (125910935745).

Almost surely, 2^671272532318 is an apocalyptic number.

671272532318 is a deficient number, since it is larger than the sum of its proper divisors (336014953642).

671272532318 is a wasteful number, since it uses less digits than its factorization.

671272532318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126229162.

The product of its digits is 846720, while the sum is 47.

The spelling of 671272532318 in words is "six hundred seventy-one billion, two hundred seventy-two million, five hundred thirty-two thousand, three hundred eighteen".