653505601632 has 48 divisors (see below), whose sum is σ = 1847410069680. Its totient is φ = 201078646272.

The previous prime is 653505601607. The next prime is 653505601681. The reversal of 653505601632 is 236106505356.

It is a tau number, because it is divible by the number of its divisors (48).

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, 261819907 + ... + 261822402.

It is an arithmetic number, because the mean of its divisors is an integer number (38487709785).

Almost surely, 2^653505601632 is an apocalyptic number.

It is an amenable number.

653505601632 is an abundant number, since it is smaller than the sum of its proper divisors (1193904468048).

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

653505601632 is a wasteful number, since it uses less digits than its factorization.

653505601632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523642335 (or 523642327 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 42.

The spelling of 653505601632 in words is "six hundred fifty-three billion, five hundred five million, six hundred one thousand, six hundred thirty-two".