653611010660 has 48 divisors (see below), whose sum is σ = 1414194390000. Its totient is φ = 253629302784.

The previous prime is 653611010659. The next prime is 653611010699. The reversal of 653611010660 is 66010116356.

It can be written as a sum of positive squares in 8 ways, for example, as 4687319296 + 648923691364 = 68464^2 + 805558^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 653611010660.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3369785 + ... + 3558464.

It is an arithmetic number, because the mean of its divisors is an integer number (29462383125).

Almost surely, 2^653611010660 is an apocalyptic number.

It is an amenable number.

653611010660 is an abundant number, since it is smaller than the sum of its proper divisors (760583379340).

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

653611010660 is a wasteful number, since it uses less digits than its factorization.

653611010660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6928400 (or 6928398 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 653611010660 in words is "six hundred fifty-three billion, six hundred eleven million, ten thousand, six hundred sixty".