653852687616 has 72 divisors (see below), whose sum is σ = 1933557447360. Its totient is φ = 217950893568.

The previous prime is 653852687603. The next prime is 653852687633. The reversal of 653852687616 is 616786258356.

653852687616 is a `hidden beast` number, since 6 + 5 + 3 + 8 + 5 + 2 + 6 + 8 + 7 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

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, 47291460 + ... + 47305283.

Almost surely, 2^653852687616 is an apocalyptic number.

It is an amenable number.

653852687616 is an abundant number, since it is smaller than the sum of its proper divisors (1279704759744).

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

653852687616 is an equidigital number, since it uses as much as digits as its factorization.

653852687616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94596768 (or 94596748 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 653852687616 in words is "six hundred fifty-three billion, eight hundred fifty-two million, six hundred eighty-seven thousand, six hundred sixteen".