1000660671 has 12 divisors (see below), whose sum is σ = 1484464072. Its totient is φ = 649076976.

The previous prime is 1000660663. The next prime is 1000660693. The reversal of 1000660671 is 1760660001.

It is not a de Polignac number, because 1000660671 - 2³ = 1000660663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000660571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1502161 + ... + 1502826.

Almost surely, 2^1000660671 is an apocalyptic number.

1000660671 is a deficient number, since it is larger than the sum of its proper divisors (483803401).

1000660671 is a wasteful number, since it uses less digits than its factorization.

1000660671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005030 (or 3005027 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1000660671 is about 31633.2210026105. The cubic root of 1000660671 is about 1000.2201751860.

The spelling of 1000660671 in words is "one billion, six hundred sixty thousand, six hundred seventy-one".