671626411 has 8 divisors (see below), whose sum is σ = 675055040. Its totient is φ = 668207232.

The previous prime is 671626379. The next prime is 671626451. The reversal of 671626411 is 114626176.

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 671626411 - 2⁵ = 671626379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671626451) 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, 170755 + ... + 174643.

It is an arithmetic number, because the mean of its divisors is an integer number (84381880).

Almost surely, 2^671626411 is an apocalyptic number.

671626411 is a deficient number, since it is larger than the sum of its proper divisors (3428629).

671626411 is a wasteful number, since it uses less digits than its factorization.

671626411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725.

The product of its digits is 12096, while the sum is 34.

The square root of 671626411 is about 25915.7560375923. The cubic root of 671626411 is about 875.7414823956.

The spelling of 671626411 in words is "six hundred seventy-one million, six hundred twenty-six thousand, four hundred eleven".