671166752 has 24 divisors (see below), whose sum is σ = 1327045356. Its totient is φ = 334139392.

The previous prime is 671166751. The next prime is 671166779. The reversal of 671166752 is 257661176.

It can be written as a sum of positive squares in 2 ways, for example, as 667912336 + 3254416 = 25844^2 + 1804^2 .

It is not an unprimeable number, because it can be changed into a prime (671166751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37553 + ... + 52464.

Almost surely, 2^671166752 is an apocalyptic number.

It is an amenable number.

671166752 is a deficient number, since it is larger than the sum of its proper divisors (655878604).

671166752 is a wasteful number, since it uses less digits than its factorization.

671166752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90260 (or 90252 counting only the distinct ones).

The product of its digits is 105840, while the sum is 41.

The square root of 671166752 is about 25906.8861888109. The cubic root of 671166752 is about 875.5416518969.

The spelling of 671166752 in words is "six hundred seventy-one million, one hundred sixty-six thousand, seven hundred fifty-two".