662803680 has 384 divisors, whose sum is σ = 2647572480. Its totient is φ = 135383040.

The previous prime is 662803651. The next prime is 662803693. The reversal of 662803680 is 86308266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2919727 + ... + 2919953.

It is an arithmetic number, because the mean of its divisors is an integer number (6894720).

Almost surely, 2^662803680 is an apocalyptic number.

662803680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662803680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1323786240).

662803680 is an abundant number, since it is smaller than the sum of its proper divisors (1984768800).

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

662803680 is a wasteful number, since it uses less digits than its factorization.

662803680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 662803680 is about 25744.9738784097. The cubic root of 662803680 is about 871.8898803231.

The spelling of 662803680 in words is "six hundred sixty-two million, eight hundred three thousand, six hundred eighty".