653616450660 has 24 divisors (see below), whose sum is σ = 1830126062016. Its totient is φ = 174297720160.

The previous prime is 653616450521. The next prime is 653616450701. The reversal of 653616450660 is 66054616356.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5446803696 + ... + 5446803815.

It is an arithmetic number, because the mean of its divisors is an integer number (76255252584).

Almost surely, 2^653616450660 is an apocalyptic number.

653616450660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

653616450660 is an abundant number, since it is smaller than the sum of its proper divisors (1176509611356).

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

653616450660 is a wasteful number, since it uses less digits than its factorization.

653616450660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10893607523 (or 10893607521 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 653616450660 in words is "six hundred fifty-three billion, six hundred sixteen million, four hundred fifty thousand, six hundred sixty".