1000660672 has 56 divisors (see below), whose sum is σ = 2178448272. Its totient is φ = 452275200.

The previous prime is 1000660663. The next prime is 1000660693. The reversal of 1000660672 is 2760660001.

It is a self number, because there is not a number n which added to its sum of digits gives 1000660672.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123498 + ... + 131350.

It is an arithmetic number, because the mean of its divisors is an integer number (38900862).

Almost surely, 2^1000660672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000660672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1089224136).

1000660672 is an abundant number, since it is smaller than the sum of its proper divisors (1177787600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000660672 is a wasteful number, since it uses less digits than its factorization.

1000660672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8057 (or 8047 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1000660672 is about 31633.2210184167. The cubic root of 1000660672 is about 1000.2201755192.

The spelling of 1000660672 in words is "one billion, six hundred sixty thousand, six hundred seventy-two".