671466956 has 12 divisors (see below), whose sum is σ = 1177783992. Its totient is φ = 334957248.

The previous prime is 671466953. The next prime is 671466959. The reversal of 671466956 is 659664176.

It is an interprime number because it is at equal distance from previous prime (671466953) and next prime (671466959).

It is not an unprimeable number, because it can be changed into a prime (671466953) 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, 192110 + ... + 195573.

It is an arithmetic number, because the mean of its divisors is an integer number (98148666).

Almost surely, 2^671466956 is an apocalyptic number.

It is an amenable number.

671466956 is a deficient number, since it is larger than the sum of its proper divisors (506317036).

671466956 is a wasteful number, since it uses less digits than its factorization.

671466956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388120 (or 388118 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 50.

The square root of 671466956 is about 25912.6794446271. The cubic root of 671466956 is about 875.6721718343.

The spelling of 671466956 in words is "six hundred seventy-one million, four hundred sixty-six thousand, nine hundred fifty-six".