660202664 has 48 divisors (see below), whose sum is σ = 1384464960. Its totient is φ = 292707200.

The previous prime is 660202651. The next prime is 660202679. The reversal of 660202664 is 466202066.

660202664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×660202664³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 660202664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145697 + ... + 150159.

It is an arithmetic number, because the mean of its divisors is an integer number (28843020).

Almost surely, 2^660202664 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 660202664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692232480).

660202664 is an abundant number, since it is smaller than the sum of its proper divisors (724262296).

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

660202664 is a wasteful number, since it uses less digits than its factorization.

660202664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562 (or 4517 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 660202664 is about 25694.4091973332. The cubic root of 660202664 is about 870.7478767593.

The spelling of 660202664 in words is "six hundred sixty million, two hundred two thousand, six hundred sixty-four".