653532680 has 32 divisors (see below), whose sum is σ = 1471694400. Its totient is φ = 261191616.

The previous prime is 653532653. The next prime is 653532701. The reversal of 653532680 is 86235356.

It is a happy number.

653532680 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45851 + ... + 58389.

It is an arithmetic number, because the mean of its divisors is an integer number (45990450).

Almost surely, 2^653532680 is an apocalyptic number.

It is an amenable number.

653532680 is an abundant number, since it is smaller than the sum of its proper divisors (818161720).

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

653532680 is a wasteful number, since it uses less digits than its factorization.

653532680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13853 (or 13849 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 653532680 is about 25564.2852432842. The cubic root of 653532680 is about 867.8055763088.

The spelling of 653532680 in words is "six hundred fifty-three million, five hundred thirty-two thousand, six hundred eighty".