671580953 has 8 divisors (see below), whose sum is σ = 678279168. Its totient is φ = 664905024.

The previous prime is 671580929. The next prime is 671580961. The reversal of 671580953 is 359085176.

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

It is a cyclic number.

It is not a de Polignac number, because 671580953 - 2¹⁶ = 671515417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671580253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58625 + ... + 69137.

It is an arithmetic number, because the mean of its divisors is an integer number (84784896).

Almost surely, 2^671580953 is an apocalyptic number.

It is an amenable number.

671580953 is a deficient number, since it is larger than the sum of its proper divisors (6698215).

671580953 is a wasteful number, since it uses less digits than its factorization.

671580953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 671580953 is about 25914.8789887200. The cubic root of 671580953 is about 875.7217242117.

The spelling of 671580953 in words is "six hundred seventy-one million, five hundred eighty thousand, nine hundred fifty-three".